Mercury outboard alarm module replacement 6 V I have also noticed some lower voltage readings (7-8 range) at all the test points. I've owned this boat for some time and everything had been great with the normal maintenance. 1995 mercury outboard, I am getting a low oil alarm when there is a full oil reserve tank. when I was the service manager of a shop we where a plantium dealer. It works by measuring various parameters of the motor’s operation and activating the alarm if values fall outside of the normal range. A Mercury SmartCraft System instrument package can be purchased for this outboard. The warning module of a Mariner outboard engine samples the engine temperature and oil level of the motor, the function of the engine overheating sensor, the ignition control module and the engine control module. It comes on immediately after the key is turned and the engine is cool. They can answer questions for any Mercury outboard motor model or horsepower including Chrysler Outboards, Force Outboards, Mariner Outboards, and Mercury Inboard/Sterndrives. Selock refers to a Rotational Sensor in the wiring diagram as an input to Jun 14, 2020 · My 2007 90 hp 3 cyl 2 stroke merc had a continuous alarm come on and not shut off. I had to replace the oil tank because the magnet on the sensor in the tank had come loose and was keeping the sensor tripped. I don't think that mine has an alarm module. <br /> its now time for some careful troobleshooting. just one continuous long alarm going off Mechanic's Assistant: Sometimes boat issues seem like they'll be really complicated, but end up being easy to fix. Any suggestions? Installing a Mercury Outboard Overheat Alarm Sensor. Of three people I know with Mercury motors, all three have had failures of their alarm module and had to replace it. These numeric codes can be read in various ways, including using the Mercury VesselView Mobile app or a diagnostic scanner tool. To test the oil switch, disconnect light blue wires at the alarm module. The parts diagram shows an "Oil Level Module" p/n 14857A-6 ($160). <br /><br />I just bought a 1989 Sea Ray 160 and it has a Mercury 100 horse outboard on it, also 1989. I checked the continuity through the sensor on the two Customer: I have a 1997 mercury 40hp serial no 0G565376 that as soon as you turn the key on the alarm horm inside the quicksilver controller comes on and stays on. Jan 31, 2005 · Re: Mercury 40 hp alarm hello<br /> a steady tone indicates an overheat. and motor still runs normal. Could be 3 thing: Jul 23, 2022 · How to Fix Mercury Outboard Overheat Alarm? Now we come back to our main task, that is, how to fix an overheating alarm on a Mercury outboard. The model is a 2004 XR6 150 Oct 18, 2014 · I have a '94 Mercury 60 hp outboard. I will have a shop manual on order by the end of the week I just didn't get time. Jun 29, 2011 · 1993ish Mercury 40 hp 2 stroke 4 cylinder: constant beep alarm comes on immediately and stays on. Take your boat to a experienced boat mechanic. When a fault occurs, the engine provides a ground to the horn and it sounds a monotone regardless of the source of the ground. Jul 31, 2014 · The alarm still keeps beeping. My boat was doing this when I first bought it. Initially I thought it was the switch in the bottom of the oil reservoir so I bought that for $20. Jun 27, 2011 · Start it up on the ramp and let it run for a bit touch the side plate on the passenger side of the motor if its scalding hot shes cloged in the water jacket it will still look like its pumpin but she aint coolin, is the water comin out hot or just warm, have you ever drained the oil tank try that somtimes they sweat and the water will condinsate on the float. It will cover the oiling system and alarm system in detail. Disconnect the module completely. These components work together to monitor various aspects of the motor, such as the temperature and oil level, and alert you if there are any abnormalities. Mercury commander side mount controls. I hear Aug 24, 2008 · Hi All, I own a 1988 90hp mercury outboard, OB302485 serial number. Crowley had the correct parts, all went well. Motor ran great everytime I took it out. Because it went bad. Test over temp alarm. In the early spring I replaced the warning module because it would just beep steady as soon as I turned on the key. Our scanning software gives us tps and coolant temp faults. If the alarm now stops, the warning module Is bad. This is a very frequent condition. I just realized that upon start up or koeo. It Disconnect the Mercury Outboard switch and reset, if the engine fires, replace the Mercury Outboard switch. Re: 1993 Mercury 175XL (2-Stroke) Alarm intermittent Usually if an alarm module goes (which is fed by the oil level sensor, the motion detector on the oil pump and the temp sensor) it normally stays "shot" - if it develops a short or a switch fries you get a "beeeeeeeeeep" - it's very unlikely it would go off intermittently like what you experienced - it's basically just a big switch (although Aug 3, 2004 · Been through this before on my 90 hp. Jun 5, 2023 · Part 3: continue on fixing the sensor in oil reservoir: https://www. Offering discount prices on OEM parts for over 50 years. Mercury / Mariner 2 Cylinder Outboard Timing Protection Module Replaces: Mercury 823251A 4, 823251A 6 Fits: 1996-1997 30 & 40 hp Mercury/Mariner 2 Cylinder Engines Add to Cart Quick view Add to Cart Engine: 115 Mercury outboard Shopping experience: Good Repair difficulty: Easy Repair time: 30 to 60 mins Repair symptoms: Low 2-cycle alarm float stuck in tank Repair story: The 2-cycle oil sensor is sealed in tank, went bad had to replace tank. If you get an alarm and cannot find a cause for it in the oiling system, the cause may be in the alarm electronics module itself, and thus the alarm is actually a false alarm. you will need a thermomelt stick or a temp gum. Outboard Repair Manuals Mercury Mariner Outboard Forum . Problems with the Mercury oil mixing pump and the alarm module are very common. this also where the pee hole hose is attached. Adapter Harness (84-822560A5) The Quicksilver Digital Diagnostic Terminal (DDT) has been developed specifically to help technicians diagnose and repair Mercury Marine 2 and 4 cycle engines. Thoroughly read the service manual. 2000 and older two-stroke-power-cycle models. The two sensors are wired together then go back to the horn and ignition sw. Voltage coming from switch box before the alarm module was 11. Thread starter pfalchi; Start date Jul 21, 2018; P. If the alarm quits when they are unplugged the sensor in the oil tank is bad. Page 87: Notes IGNITION Notes: Page 2A-30 90-883728 JULY Performance Product Technologies is a Platinum Level Dealer for Mercury Marine and offers one of the top rated websites for both products and Technical Infor About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Aug 17, 2017 · --defective ignition module sending false signal--defective alarm module creating false signal If you want to diagnose this problem further, you will need to obtain the service manual for you engine. Jun 24, 2010 · I have a 1993 Trophy Center Console boat with a 175hp Mercury oil injected outboard. View and Download Mercury 75 service manual online. Among the participants here with Mercury outboard motors of this type and vintage there is quite a bit of reported history of failure of the alarm electronics module itself. IR thermometer shows under 100 degrees at idle, 140 tops at higher revs. while the alarm is sounding check the temp of the block and exhaust Feb 2, 2015 · Tested the output voltage on the white wire form the alarm module and it was 10. I just try to explain the rudiments of this system. 99 $ 53. If the water pump is failing the pressure will be low at the portdepending on engine rpm. 5 center console with an early 2000s Mercury 75 last weekend. Repair difficulty: Easy Repair time: Less than 30 mins Repair symptoms: Oil warning/temerature alarm would come on intermittently. Runs very rich. <br View online or download Mercury 175 EFI Service Manual. Sign Motor and Electrical Tests/Repair. pfalchi New member. The plastic gear inside the block that turns the oil pump has stripped and I need to convert this engine to premix. If you want to learn more about mercury outboard fault codes, check this chart. It's not an easy job and will take some hours to complete if you need eng iii Name / function: Mark D. Again, a common problem. The motor is under warranty, but the dealer says Mercury will only pay for a new block ($4,000) but not the labor to install it ($1,800), nor pay for the alarm system, calling it an accessory that was under the original 12-month warranty. Spark Plug Inspection and Replacement. Is this a change for 2003 two strokes? Thanks in Sep 1, 2014 · Is there a code that determines if the ECM is 100% working ? My 5. begins to alarm as soon as switch is turned on. Fuses. Oct 23, 2009 · CABASSFISHER, You can test the low oil sensor by disconnecting the 2 light blue wires going from the oil tank to the alarm module. Sep 4, 2012 · Now, your original problem of the constant alarm even with the key ON and the motor NOT running. If I recall it was the whole tank. I have replaced the water pump and it still happens. Aug 26, 2019 · My 1995 Mercury 115 has a failed module and I cannot believe how much they are asking for this part. Those wires are for a sensor inside of the oil pump that sends a signal over to the warning module. Also for: 30 efi, 25 efi jet. Schwabero, President, Mercury Outboard Date and place of issue: September 04, 2012 Fond du Lac, Wisconsin, USA Welcome You have selected one of the finest outboards available. It is worth mentioning here that we will make our solution based on the problems mentioned in this article. It is commonly Aug 12, 2005 · Mercury & Mariner Outboards 115hp outboard constant alarm problem Wasted $90 on module, was about to replace oil pump, changed temp sensor in cyl head, Was Jun 12, 2010 · Re: Mercury 150 hp outboard alarm is going off Sheesh, what a fog. Jul 1, 2008 · Outboard Repair Manuals Alarm on 40 HP mercury. Then be quiet unless something is wrong. Customer: how can I test the alarm module on a 1991 75 hp mercury outboard motor Mechanic's Assistant: Sometimes boat issues seem like they'll be really complicated, but end up being easy to fix. Second time was when I had to replace the whole tank or the sensor itself. (mine) Jun 25, 2014 · Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. that required very high customer ratings and being top of the class at mercury tech classes, and having a percentage of the shop mercury certified. I have a 1989 mercury outboard 3 cylinder 2 stroke with a mercury 2000 controller. View and Download Mercury V6 175 diagnostic manual online. Does that all make sense to you. They said (Applies to 4-stroke Mercury outboards with V6 and V8 engines. Beep beep beep. I am wondering if I should replace the oil warning module. Checked the water/oil and coolant sensors. 99. Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor Author: Topic: Mercury Oil Injection Alarm BEEP-BEEP-BEEP: gosssandy: posted 06-24-2006 10:19 PM ET (US) Mar 24, 2019 · Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. The alarm is part of the controller body. 124. Sent from my SM-N986U using Michigan Sportsman mobile app I have a 1991 mercury 90 HP 3 cylinder. It is a continuous alarm. jimh posted 04-05-2006 09:32 AM ET (US) I have to check out the oil level sensor, because it got pretty low, without an alarm. I'd advise you to go one step further. 96 Merc 200 efi. The High temperature is a continuous steady beep. Help It will have a purple, black, tan and 2 blue wires on it. I had gone through a series of Apr 25, 2011 · I am doing away with the oil injection in this '95 Mercury Tracker 115. Replaces part numbers: 14857, 14857 1, 14857-1, 14857A 1, 14857A 2, 14857A 3, 14857A 4, 14857A 6, 14857A 7, 14857A 8, 14857A 9, 14857A10, 14857A11, 14857A12, 14857A13, 14857A14, 14857A15, 14857A16. Now 2 months later I am not getting the Beep Beep Beep when the key is turned on. When I turned the key I was still getting the beep-beep-beep alarm. Working on a 1994 mercury 60HP outboard ser# 0D187134 and the oil sensor oil injection alarm. The alarm module is bad. If the horn then beeps it's the warning module. In summary, the alarm system in a Mercury outboard motor relies on sensors, a control module, and an alarm to detect and notify the operator of potential faults or abnormalities. Oct 31, 2007 · Re: mercury optimax overspeed alarm at 4000 For anybody else in the future experiencing this overspeed alarm at 4000rpm I have two 2006/2008 Optimax 90's on a 6. Apr 4, 2018 · mercury rates thier dealers. any answers for this would be great. Several alarm sensors are connected to this conductor in what is known as a WIRED-OR logic arrangement. The No Oil or sensor (2) malfunction is a continuous pulsed beep. Thread starter E14njb; Start date Oct 26, 2019; E May 3, 2012 · Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. When you're out tournament fishing this is the worst feeling Jun 26, 2005 · Though we should change them within a 2-3 yr time frame depending on use or no use of the outboard. I replaced the alarm module and the magnetic sensor in oil mixing pump and theoil level float switch. I have never had a warning horn. It's not a grounding situation. So far all systems were checked or replaced and I thought it was fixed. If its doin' it before ya start it that should elliminate tha "rotation" sensor. The wiring harness near the control, or in the control box contains an alarm module. Sep 6, 2004 · Re: Oil Warning System 175 HP Mercury Outboard That's because that's not how that switch works. If it stops the engine temperature sensor is bad Sep 24, 2012 · Re: Mercury/mariner 200hp efi rapidly beeps? Thats oiler/water signal. Check the voltage on the red and white Ignition wires at the CD Unit. Jun 8, 2013 · Re: 135 hp Mercury outboard intermittent alarm beeping (1988) longterm problem I just finished playing with my motor again. Mar 30, 2017 · A good test of the alarm module is to disconnect the sensors and see if the alarm still sounds. Most engine com***** spent several million dollars trying to make sure you would know if there ever was a problem. Discount the overheat sensor and turn the key. It has been in the shop almost all summer. Some engines have and interal and external oil tank. Pulled out the tan/blue wire temp sensor wire at bullet connector and alarm still sounds off. Still consider myself a "Marine Apprentice" after 48 years (learn something new every day). Is it located in the remote control box? Or is it in the wiring inside the console? Aug 22, 2006 · I have three beeps when I turn on the key, and then the alarm goes off (proper testing at start-up). Oct 15, 2013 · I have a 2006 Mercury 90hp two stroke that has been in storage for a year. May 4, 2019 · Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. I've also recently replaced the thermostats in both heads with brand If you are getting a low oil alarm on your Mercury or Mariner oil injection outboard, it is probably the oil level switch inside the oil tank. This does not happen all the time. K. Aug 28, 2010 · My son took out my 18. Zip tie everything in place. But, when disconnecting the cable I noticed that the heatsensor would trigger the alarm directly without the alarm module connected. bzerangue New member. The oil lever alarm went off and he filled the tank with the 2-stoke oil stored on board. never heard of such. At the beginning of this season, I replaced the entire lower unit with a brand new unit from SEI, so I'm assuming the water pump is good. plantium being the top of the line. Aug 24, 2016 · Disconnect warning module wiring. $53. Float sensors in the oil tank are notorious for going bad and may be the problem. Everything functions correctly now. If the alarm does not stop reconnect the green wire and unplug the white and blue/white wires to the rotation sensor. Apr 20, 2009 · Re: 40hp Mariner-overheat alarm due to a bad sensor???? After talking with Neil over at Neil?s Boat Service in Cypress, Texas (nice guy BTW), I?ve decided to remove the sensor completely and not replace it. The first time was dry rotted oil lines when i first bought the boat. 2017 Mercury Verado 350 Critical Actuator Alert. sorry John Below I give some advice on the operation of the Mercury outboard engine WARNING HORN or AURAL ALERT SOUNDER as used on many Mercury outboard engines, particularly c. Jul 5, 2016 · Got a resistance when it opened up as it should. View and Download Mercury 25 EFI service manual online. Got towed back to ramp. com/watch?v=Hb8xQh-CpnMFixing failed oil sensor in reservoir Mercury 125HP outboa The model is a 2004 XR6 150 carbureted outboard. Jul 12, 2020 · Those wires were pretty corroded. Fast beep, about 3-4 beeps per second-continuous non stop or break. Ok. What do I need to do with the wires to disable the low oil alarm but also insure that my high temp alarm will still sound. Thread starter bugzie; Start date Jan 19, 2018; B. I bought 2 months,Did all new seals and water pump in lower unit when I first got it. Customer: I have a 200HP Mercury outboard and the low oil warning alarm comes on as soon as I start the engine. youtube. Also for: 75 marathon, 75 sea pro, 115, 125, 65/80 jet, 90, 100. After I start the boat I get a pulsing alarm almost immediately indicating an Oil Alarm. If the voltage is less than 9 1/2 volts during cranking there is a problem in the battery s or the Ignition switch Box. Going to replace this module and see if that fixes my alarm problem. Oct 20, 2011 · The alarm module is triggered by this cap/switch, it can also be triggered by sensing any difference between the oil pump rotation sensor and the ignition pulse monitored off of one of the ignition coils, usually #4. Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor Jul 30, 2021 · I don't know what the warning module is. In most older outboard motors which use a simple aural alarm to alert the operator, the alarm module supplies a voltage at its TAN conductor. I got the alarm to stop with the new fuel filter so I must have gotten water in the system. I traced the wiring to the outboard. My question is where does this module mount? There is no module in my 60 hp Mariner. first you have to recreate the alarm condition. I test drove this boat with the owner on Monday (20th) and the alarm was going off randomly. I could be wrong now, so any input suggesting it could be something else would be appreciated of course. 81v on tps and 190 degrees temp. Also for: V6 200, V6 225, V8 200, V8 225, V8 250, V8 300. I called a Mercury repair shop today and asked about the alarm system. Jan 12, 2018 · I've checked this forum, as well as our competitors. Yesterday, the temp warning buzzer (constant horn) went off. Neither of the two blue wires connect to ground. If I drain the oil from the outboard oil tank then I will of course get a low oil alarm. Test by disconnecting the oil cap wires, start the motor, does it alarm now? Your local Mercury Authorized Dealer is the best place to see and purchase Mercury engines, parts and accessories, or to get expert support when you need it. I can defeat it by removing the #2 coil signal from the alarm module before starting. Nov 12, 2007 · Re: Alarm Module That wire should not ground the alarm circuit unless the switch is on AND there is an alarm condition. Last time I took it out it ran fine. have changed the impeller, much water with high velocity coming from indicator hose. I just replaced the water pump impellar, and went through the wiring. Attach the diagnostic cable to the ECM diagnostic connector and plug in the software car- tridge. When I turned the key on the warning alarm sounded. Jan 4, 2016 · 2pcs CDI Module Switch Box Replacement for 50-275 HP Mercury Outboard Motor 332-7778 332-7778A12 Power Pack Switchbox. The steady alarm sounds even with the engine off but the ignition key turned to power on. If this stops the alarm the problem is an failure of the adhesive that holds the magnet to the bottom of the oil level float. If this stops the alarm, check for no spark on #4 cylinder. Get it as soon as Monday, May 19. We checked all the the wiring and the tests are all ok with the VOM. When I disconnected the purple wire to the oil warning module it stopped beeping. I can unplug the high temp alarm wiring but the horm stays on. If for some reason the alarm still sounds, then there is a short circuit on the engine and the alarm circuit would need to be rewired. With no module there is nothing to modulate the alarm. 75 outboard motor pdf manual download. Jul 21, 2018 · Outboard Repair Manuals 40hp Mercury alarm buzzer. The pee tube is working fine Dec 7, 2002 · New Mercury 115 ELPTO SW series. This is not a beeping sound, its just constant. The manual was confusing. The alarm still sounds. 7EFI Throttle body has an alarm the my go on sometime and then a reduced speed will follow. . I have already checked the oil level and the water pump seems to be working fine. As I mentioned in my assessment of the alarm system, it is entirely possible that the engine is working properly, all sensors are working properly, and the cause of the BEEP BEEP BEEP alarm is due to a failure in the alarm module (AKA "Warming Module Assembly" AKA "electrical sensor") itself. I just put the ears on it to run it since I haven't took it out in a week,with in 2 minutes of it running the alarm sounded off. According to Neil, this sensor is the low-oil-alarm sensor only, and doesn?t have anything to do with the high-temp sensor. could be an actual overheat, could be a bad overheat switch and it could still be a failed alarm module. I believe there are some procedures recommended in the article linked above. The book shows the wiring from that hi temp sensor and the oil level sw connecting to the alarm module, but on my motor it doesn't. That lets the circuitry in the warning module know to sound an alarm. Jul 21, 2018 #1 Jan 7, 2011 · Re: alarm on 1996 mercury 115 Is it a solid beep/tone or does it beep - beep- beep - beep? If the latter that is the low oil warning horn. no way it can be hot as it has not ran long enough and lots of water circulating. ) Disclaimer: These chars are for informational purposes only! For more information, please check the official service manuals. Jul 31, 2002 · Re: '90 Mercury 175 warning module In the interest of learning I have studied this thread and a wiring diagram. Already replaced the low oil sensor at the bottom of oil tank to no I have a Mercury XR6 150HP. I immediately stop engine and check motor temp by placing hand on head. 25 EFI outboard motor pdf manual download. <br />On your motor is a pressure test port at the top of the engine just to the left of the top spark plug. A video explaining the operation of the oil injection system, and what causes the alarm to sound Aug 18, 2014 · Marine Pump Replacement Parts; Rule 1500 GPH Automatic Mercury & Mariner Outboards If you get alarm disconnect module. I tried disconnecting the battery and reconnecting but that did not reset anything. Then started beeping. what Noel Schembri | Advanced technical diploma Sep 1, 2011 · If this stops the alarm, either the rotation sensor is bad or the pump isn't rotating. Controls were new in 2001. Repost your results. I would like to know a step-by-step procedure for disconnecting oil injection from a mid-eighties Mercury outboard. If the alarm stops, replace the temp switch. Took it to the lake yesterday and a couple of minutes after starting, (still on trailer) the alarm goes off. Why is Your Mercury Outboard Beeping? If your Mercury outboard is beeping, it more than likely indicates a malfunction. If it's still going off disconnect the tan or tan/blue wire going to the alarm module. I have also replaced the assembly switch in the oil injected tank. I went ahead and started the motor and it was still sounding Quick video to help you fix the constant buzzing on you Mercury boat engine, we was playing on lake and from nowhere it just start buzzing, I checked everyth "I have a 2000 50 HP Mercury E "I have a 2000 50 HP Mercury ELPTO outboard. I filled up the oil tank, there was about a quart left in it, but the alarm still beeps when I turn the key on. An overheat alarm sensor is important to boat safety because it will alert you to problems with your en Jul 31, 2004 · Re: Constant Alarm on Mercury A constant alarm is temp and beeping is oil. The Low Oil is an intermittent pulsed beep. The oil resivoir is full and using oil at the same rate as far as I can tell. There should be two blue wires. bugzie New member. So first I will try and explain how the system works. Jul 1, 2008 #1 "My alarm stays on Sep 11, 2000 · Re: mercury outboard alarm corm is correct, it may very well be the warning module. Just adding this to an online forum, because 99% of the ones I read ended in solving their problem by disconnecting that oil reservoir sensor. Jul 30, 2007 · Mercury & Mariner Outboards Is the beeping low oil, and the alarm module is just stuck? Joined Dec 29, 2003 Messages 8,200. It is a steady alarm, not intermittent. The wiring diagram for 1996 year-model Mercury engines shows a module to be installed. I cleaned a number of terminals, replaced the tachometer, reassembled the wiring harness, replaced the ignition fuse (oops!) and then used the CDI troubleshooting guide to check the module. This assumes the normal circuit of every sensor is an open circuit. Mar 12, 2020 · In this video I will tell you all how to fix the 4 beep oil alarm on my 2010 Nitro Z7 bass boat. I shut the motor down and checked it and it was 3/4 full . I want to run my XR2 on 40:1 premix and I have the appropriate block-off for where the oil pump would be removed, but I've never seen a procedure for the whole job. Without knowing exactly how the alarm module works, it is impossible to say what should be done to test it. This morning I turned ignition to on and the buzzer sounded. Obviously, the engine is not overheating, since it had not been run for many hours. 462. Reconnect and the beeping continues. Then it should be intermittent (beep, beep, beep) When 12 volts is initially supplied to it via the purple wire, it should go beeeeep, beep, beep, beep. so I check thermostat which is O. Stopped, turned engine off, and checked the oil tank under the cowling If, after all of these checks, the alarm condition persists, you conclude the alarm module itself is defective and replace the alarm module. com FREE DELIVERY possible on eligible purchases May 31, 2011 · Re: Mercury 125 outboard 2001 Alarm Key ON but the motor NOT started, a continuous alarm is generally a bad alarm module OR a bad temp sender. Aug 22, 2013 · Mercury Verado Fuel Supply Module Float Switch Repair Jump to Latest 21K views 12 replies 6 participants last post by oldriver88 Aug 23, 2013 If you get all the sensors disconnected and you still have an alarm, the alarm module may be bad. Sep 28, 2010 · IF the alarm module (and/or the alarm horn) are working correctly you should get a single, short "beep" on start-up (when you turn the key to the "on" position). The values for those sensors are 7. It ran great for 3 outings then I will show you an easy trick to troubleshoot the 4 beeps oil warning on a Mercury 135 XL Optimax. Even with the tank full - the alarm continues to sound a steady tone. The circuit is shown in a pictorial wiring diagram below. Jul 6, 2016 · Re: Faulty oil sensor in Mercury 75 two stroke - OK to disconnect? Depends on engine electrical system. I am a little confused that when doing the test procedures Mercury outboard fault codes are unique diagnostic codes indicating specific malfunctions. I had some issues when I ran out of oil in the big t Re-priming the self oiling system on a Mercury2 stroke. These values will not change, no matter actual throttle position Customer: ALarm going off on mercury 40 hp outboard - serial number 06297359 - I think 1996 - 2 stroke, 4 cylinder. continuous tone = either temp sensor or a short in the system, which could be in the wiring, the ot sensor, or the oil module. If the horn sounds it's the warning module and if it does not sound it's the overheat sensor. A few of the functions the instrument package will display are engine RPM, coolant temperature, battery voltage, fuel consumption and engine operating hours. Could be cap (known for failure) on motor oil tank (if its full)? could be water in tha seperator? could be a bad module also know for failure. I have oil and gas and it runs. Some have an alarm module others no module. Jul 10, 2005 · To test for bad switches, at the alarm module, disconnect the tan/blue wire at the terminal block to test the temp switch. Jul 30, 2007 #2 Re: Mercury Alarm (3) on some engines, a modulation module is installed and it gets the warning signals but modulates the oil alarm to a 10101010 rather than a 0 (solid ground) to identify the source of the alarm as oil level related. Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor Aug 11, 2011 · Re: Mercury 40 HP 4 stroke alarm is the alarm a beep beep beep or a long BEEEEEEEEEEEEEEP? This will let someone know weather it,s the oil alarm or the temp alarm. The part number is 41470A23 but I Q&A: Mercury Outboard Alarm Module Replacement - 1995 Mercury 200HP V6 Carb Diagnosed Aug 24, 2006 · Re: 1998 Mercury 200 HP EFI Oil Alarm Problems!! OK Here goes. I have diagnosed the alarm module to be faulty. The Mercury outboard alarm system consists of several components, including the alarm horn, temperature sender, oil level sender, and the alarm module. beeping is from the oil alert. Alarm sounds because the low side of the horn is grounded. alarm is sounding constantly. This also works for all Mercury with oil tank mounted on t Apr 6, 2009 · I have a 1995 Mercury Outboard 2. Jul 30, 2008 · "I have a 2000 mercury 90 hp t "I have a 2000 mercury 90 hp that started making a constant alarm sound when the key is switched on and started. Causes for grounding are oil level as you disconnected, over temp from the over temp sensor on the rear of the block water jacket cover (spark plugs stick through this cover), or short in the wiring from the horn (located at the operator's station) back through the wiring Jun 12, 2020 · The nomenclature "Warming Module Assembly" is better and more descriptive. 8V with battery voltage reading 12. 4 V. I turned the key to the on position and the alarm was still sounding . If the alarm stops then replace the oil level switch. I went ahead and topped it off . A waring horn system is not something to take for granted. Oct 28, 2014 · The low oil alarm came on on my 1997 125 hp outboard last Sunday . I have checked the oil to the engine mounted oil tank and it is full as well as the reservior tank. My low oil level sensor alarm went off, beep, beep, beep. It would come and go and was inconsistent but slowly got worse and worse. If There Is Any Debris in the Intake. 95 shipping available. What are Fault Codes on a Mercury Outboard? Mar 17, 2025 · Hey all, quick question. I Jul 15, 2014 · On some engines with the correct module, the over temp is a solid tone and the oil is intermittent beep beep. Also the water coming out is cool at all times. 5L XRI serial #: OG147409. TEST, with key ON, motor off, while the alarm is sounding, disconnect the tan wire from the temp sender on the motor, if this stops the alarm, replace the sender. Jun 22, 2006 · I thought about posting in an older thread but figured it would be better to start a new one even though there are a ton of alarm threads out there. The low oil sensor alarm going off. Sep 20, 2015 · Ask the experts on our Mercury Outboard Parts Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. When the float is low, the magnetic switch connects those. Still get alarm its in tha harness. Repair story: After troubleshooting and determining that the temperature sender and the low oil switch were good, I replaced the oil warning module. I decided to disconnect the VRO, plugged oil lines, disconnected the 3 wires from the pump to the alarm module and the 2 wires from the oil reservoir and taped them all off. Aug 22, 2013 · We have a Mercury Optimax 150 HP (2007) which has the 4 beep alarm going off. My manual shows the 97 to have the module so you should get the two different types of alarms. V6 175 outboard motor pdf manual download. Disconnect one or both of the light blue wires that come out from under the oil tank to the alarm module. Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor Hello, I am a new owner of a 1999 90 HP Mercury ELTPO. Got it. Jun 7, 2016 · I have searched all over the internet. And probably the reason it was disconnected by the previous owner. Jan 19, 2018 #1 May 21, 2006 · I have a 1999 200HP Mercury Outboard. 5m Delta RIB, and was given this overspeed alarm a few weeks ago. Outboard Repair Manuals Oil alarm constant on your Mercury outboard, yet your oil tank is full? Here's how to fix it Jul 31, 2014 · Hi, I have a 1989 Mercury Mariner Outboard 100/115hp model 11004129D on a Vanguard Phantom. So, I now wanted to disconnect it and run the engine for a while to see if the alarm module would make the sound anyway. If the alarm is a BEEP BEEP BEEP, it is an oil alarm, and is caused by either:--oil level float switch in reservoir--magnetic sensor in oil mixing pump input drive shaft has stopped rotation--a defect in the alarm module itself (a common failure) Jul 28, 2006 · "My oil/coolant alarm continue "My oil/coolant alarm continues to go off in short beeps. From what you describe it sounds like either your module is shot or the horn is bad (or the wiring in between is bad somewhere). You need to differentiate if it is the water or oil alarm. Sep 11, 2011 · Re: 1997 Mercury 150 EFI Oil Alarm Question Thank you I was worried a out the oil in the line, it's only about half full so it's a big bubble but it never gets empty. Thread starter bzerangue; Start date Jul 1, 2008; B. Jan 4, 2011 · Marine Pump Replacement Parts; Rule 1500 GPH Automatic Mercury & Mariner Outboards New Oil Warning Module issues Steady beep is the temp alarm. 126. Engine is running great. The temp sender is connected to a tan/blue striped wire that goes to the center console throttle control. Pulsing alarm (what you hear when you turn the ignition on)- which indicates an oil injection problem. It is cool. Are there any kits available to do so or what will I need to get? Also, what can be done about the warning module to silence the oil alarm? Thanks Outboard Repair Manuals mercury 40hp 4cyl oil injected overheat alarm. Installing DTS Command Module and Harness - Dual Engine/Single Helm Mercury Marine Outboards Product View parts diagrams and shop online for 7200413CD : Mariner Outboard 1994 200 [EFI] 7200413CD. Many of the operations conducted to troubleshoot the warning module are as simple as testing its reporting Jul 29, 2018 · Please understand--I am not a Mercury outboard engine repair technician. They checked the engine for codes, disassembled the lower unit and checked the impeller, replaced and reinstalled the oil tank on the engine and bled the system. So far I’ve Aug 8, 2011 · The CDI Electronics 144-4857-16 Mercury/Mariner Oil Warning Module fits 1990-1999 2-stroke outboards and SportJet engines with oil injection. The warning alarm system on this year motor has two modes: Constant alarm- which indicates an over temperature problem. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. Trim Pump Motor Test Outboard Motor Automobile Engine I have made a video of a common overheating problem with mercury and mariner outboards. Still consider myself a "Marine Apprentice" after 47 years (learn something new every day). You do that by looking for a little (I mean very small) red LED low on the left side front of the motor. Am I correct Jun 16, 2008 · "I have a 1996 Mercury 115 2 s "I have a 1996 Mercury 115 2 stroke that started alarming shortly after leaving the dock on Saturday. Mar 26, 2022 · Buy Low Oil Warning Module 150 175 200 225 135 HP Compatible with Mercury V6 Mariner Outboard 41470A26, 41470A25, 41470A20, 41470A15: Electronic Ignition - Amazon. If the alarm is a steady BEEP, it is an over heat alarm. I don't have experience yet in dealing with outboard problems, but it occurred to me that the fouling plug is not the cause of the alarm, it's another symptom. If you ever disable the pump, remove it, or if the gear on the crankshaft that drives the pump shears, what will happen is the oil pump will no longer be sending a signal to the warning module, and the module will think the oil pump has failed, and put the engine into a power reduction Aug 10, 2013 · I have a 2003 Mercury 60HP 2 stroke motor and can't find the warning horn/buzzer. I don't have any statistical data on which element in the system fails the most. If the alarm does not stop disconnect the green, white and blue/white wires. When key switch is turned on the warning horn test is not audible like was with my 1996 Mariner 90ELPTO The same controls used with both engines. Pick up the stern drive or outboards. Lookup Mercury Marine v-200 hp xri (efi) outboard motor parts by serial number range and buy discount parts from our large online inventory. I have an Oil injection pump from a 1997 oil injected 40 HP 4 cylinder Message me if it comes to This is something I recommend doing on any old oil injected 2 stroke that has even the slightest issue with the oil injection system, rather than fix it and I've taken the 2004 Mercury 115 to the Mercury dealer who says there is significant damage. FAST $4. ptytunzwhjeyxyiqmlcyqmoupjtaihiirlvwhhlhdamlvdgcok