Mercruiser Ignition Coil Problems

mercruiser 4. If the ignition coil fails any one of the following checks, replace it. The ignition coil turns the 12 volts from the battery into the high voltage needed to fire the spark plugs. WEAKSPARKOCCURS Check: ‘CRANK THE ENQINE l Timing rotor and pick-up coil for damage or * corrosion. Perhaps this is also why OMC went to an optical ignition timing system, to get away from the coil-induction system problems. Hi, I believe you too have a ballast resistor problem. The coil. It may also be necessary to replace coils if an engine misfires or has weakened acceleration, a rough idle or reduced gas mileage. Pete, most coils need the resistor Although that's not the case with EVERY coil, most do require it. Mercruiser OEM Ignition Coil 898253T27,817378,817378T. Checking ignition coil on 2010 Merc 9. In other words, yes, the 71 472 does have an external resistor in the form of the resistance wire mentioned above. Shop, read reviews, or ask questions about Ignition Coils at the official West Marine online store. 7L Bluewater Inboard Engine? on my 1991 5. I have a 1982/83 vintage Mercruiser 470 that is not getting any power to the Ignition Coil. MERCURY MERCRUISER 8. 9, 15, 25, 48 HP Ignition Coil Assembly 6E7-85570-19. The ability of the ignition coil to successfully transmit current without shorting is known as resistance. 3 mercruiser cranks but will not start, 4. 4 Ignition Coil Wires Shunt Mercruiser Volvo Penta Omc Gm. 7V8 alpha one sterndrive. any ideas?. In this coil, the electricity has a voltage high enough that it creates a spark in the spark plug, and this ignites the fuel and air combination. This high voltage coil is too hot for stock plug wires so we suggest our LiveWires for the best performance. It may also be necessary to replace coils if an engine misfires or has weakened acceleration, a rough idle or reduced gas mileage. Special 100:1 windings are used to provide maximum build-up of voltage and are kept cool and securely held in an oil-filled metal canister. About 18% of these are ignition coils, 18% are boat engines, and 16% are other marine supplies. Position the end of the wire about I/4 in. Pete, most coils need the resistor Although that's not the case with EVERY coil, most do require it. If it wears, the whole system together with the engine may work improperly. The ignition coil is truly an amazing little device. DOWNLOAD MerCruiser engine and sterndrive repair manuals straight to your computer in seconds—fix your problems now. PerTronix 40611 Flame-Thrower Coil 40,000 Volt 3. 80 Get it as soon as Fri, Oct 11. I have a 1996 Chaparral 1930 SS. The coil provides spark. This engine uses a coil for each cylinder. Put it in last night and no arcing but now someone told me I have to have a marine coil. In the case that we have ability to handle warranty item, return authorization is required prior returning item us. Mercury Outboard Ignition Troubleshooting Reference Chart. Known as induction, it happens inside a coil, not unlike the workings of a transformer. Special Price $249. ignition coil assembly with module. Choosing the correct ignition coil. A – Ignition Components 1 – Distributor 2 – Ignition Coil 3 – Shift Cutout Switch. Drove a while, stopped to fuel up, turns over now but won't start Seeing you have a 2002 boat with MerCruiser power, you could have a 2001 MY 6. The pickup coil monitors the rotation of the distributor and triggers the ignition system at the optimal moment to produce the best timed spark for best engine performance. there is a problem with the ignition system, follow the steps through the Troubleshooting section. equipment to diagnose ignition problems. First thing that gets the "juice", is the resistor mounted near the ignition coil if equipped with external resistor, or the ignition coil if equipped with internal resistor figure 2. I noticed it would run top end speeds that it did. New plugs, wires , cap, rotor, and ignition sensor. This high voltage coil is too hot for stock plug wires so we suggest our LiveWires for the best performance. Troubleshooting Chart in Service Bulletin 99-2 or the latest service manuals that. Marine Electronic Ignition Distributor V6 kit Mercruiser OMC more Pro series. Whatever the setup, advance increases with engine RPM and decreases as the engine goes under a load. PerTronix 40611 Flame-Thrower Coil 40,000 Volt 3. On a motor that has sat that long, seems like it would be a good idea to just do a major tuneup anyway - new coil, distributor cap and rotor, points. This high voltage coil is too hot for stock plug wires so we suggest our LiveWires for the best performance. How Do I troubleshoot my Mercruiser Thunderbolt Ignition? Mercury Service Bulletin 92-11 TESTING THUNDERBOLT IV HEI IGNITION SYSTEM How do I troubleshoot my. Heavy-duty coil with 3. 2001 Mercruiser 5. Outboard Motor Ignition Troubleshooter While we will make every attempt to help our customers in troubleshooting a problem with their outboard motor ignition system, the following pages are provided for reference only. Marine catalog that would work, then called NAPA to cross-reference the Sierra and NAPA sold me their equivalent. 1 Liter Engines. Shop, read reviews, or ask questions about SIERRA Ignition Coil for Mercruiser at the official West Marine online store. Wide range of shipping destinations. I have an intermiten ignition issue with my 1980 mercury 115hp inline6. I believe this is the correct setup, you advised earlier this summer. The coil provides spark. 7 L mercruiser blue water the timing should be 8 degrees before top dead center. 9, 15, 25, 48 HP Ignition Coil Assembly 6E7-85570-19 Be the first to write a review. 1990 350 mercruiser ignition coil 1990 4. The ignition coil is the source of the spark that ignites the air-fuel mixture in the engine's combustion chamber. 40,000 volt coil. If this process does not operate the way it is supposed to, ignition coil symptoms appear. somtiems it seems its fine, somtimes shell just die. If you are having a problem and you think its the coil you can swap them to a different cylinder. Problem fixed: Wasn't running right. The module part number is 3854077. It is assumed that the coil is operational, a 12 volt ignition 1 (IGN1) source is connected to the positive terminal of the coil for external coil applications or to the positive slot for coil in cap applications. 2 L 305 350 in Coils. The coil provides spark. OMC MerCruiser 3. The breaker points are what make the coil work properly. com is a wholly owned subsidiary of Lighthouse Marine Distributors, Inc 2019. when it stalls touch coil if very hot theres you problem. 0L V6 that has been damaged by a failed ignition coil. NGK Ignition Leads yield an extremely low resistance value (from 1,300 ohms per metre) that a Ignition Coils From the world leader in Spark Plug and Ignition Lead technology comes a premium range of quality Ignition Coils. there is a problem with the ignition system, follow the steps through the Troubleshooting section. The wire colors are the same as the factory wire colors for car and truck TBI injected engines. 9, 15, 25, 48 HP Ignition Coil Assembly 6E7-85570-19. OMC and Volvo Penta Ignition Module (Part No 3854077) It has come to our attention that a very common ignition module for many Volvo and later model OMC engines has now been listed as obsolete and is no longer in production. there is a problem with the ignition system, follow the steps through the Troubleshooting section. I noticed it would run top end speeds that it did. Ignition modules are a large transistor that switches the current to the ignition coil on and off just like points did in older cars. Both conduct AC voltage to the switchboxes. Not responsible for typographical errors. Also, if you have a points ignition, it lengthens the life of the points greatly. A faulty ignition coil can also lead to a number of engine problems, resulting in an illuminated Check Engine light or a vehicle that will not start. It should read 12 volts. Replaces: Mercury Marine 392-7803A4Replaces: Mercury Marine 392-805570A2Replaces: Crusader 37068Sierra 18-5438GLM 72115EMP 300-00879This coil is a perfect OEM replacement. It was different than the original problem and really seemed like a fuel system problem. It's true that the coil puts out less energy with the resistor, but it's not a lot less. Alternator putting out about 14. somtiems it seems its fine, somtimes shell just die. There seems to be a problem serving the request at this time. TROUBLESHOOTING 39 ELECTRONIC IGNITION PROBLEMS IGNITION COIL TEST Disconnect the coil wire from the center of the distributor cap. 0 ohm Black Epoxy. MERCURY MERCRUISER 8. A faulty Shift Interuptor Switch on the shift plate assembly. Special 100:1 windings are used to provide maximum build-up of voltage and are kept cool and securely held in an oil-filled metal canister. HEI Ignition Coil For Mercruiser Thunderbolt 4 & 5 Ignition systems. If you are having a problem and you think its the coil you can swap them to a different cylinder. Ignition coil problems. You can also find other images like marine ignition switch wiring diagram,mercruiser engine wiring diagram,mercruiser 5. The most common symptom of a bad ignition module is that the engine dies and won’t restart. Contact us to discuss our returns policy. pdf FREE PDF DOWNLOAD Coil testing - Outboard Motors, Boat Parts, Marine … www. Quality of Construction This harness is constructed using OEM quality wire for superior reliability and long term use. The boat has been in storage for several years and will not start. 0 ohm Black Epoxy. The CDI Electronics E18-0008 Ignition Coil is constructed from high quality materials. Jun 2, 2017 CDI Electronics and Balmar Select S. No matter what type of boating interests you most, Mercury® MerCruiser® can power it better than anyone else. A distributor is to distribute the high voltage to the engine cylinders. The pickup coil monitors the rotation of the distributor and triggers the ignition system at the optimal moment to produce the best timed spark for best engine performance. 5 ohm coil works great such as a MSD Blaster 2 or equivalent. equipment to diagnose ignition problems. Marineengineparts. Figured it was the coils, so I swapped the packs around and verified my suspicion. Are you having problems at high engine RPM (4000-7000) and wide open throttle (WOT)? If so it could be spark plugs. of the problem. There are hundreds of times more turns of wire on the secondary coil than on the primary coil. I had not planned on removing the distributor just to change the pickup coil, my eye sight not good, blind in one and have very blurred vission other, willl need pictures to see how it is assembled, surely this can be installed without removing distributor, course it would be easier to instatl but then I would have extra trouble restabing and retimimg motor on top it all. There are several signs that indicate an ignition module is bad. 1 Liter Engines. puts out a painful spark (had. 40,000 volt coil. The ignition module of your vehicle is the heart of your entire ignition system. facility in Bialystok, Poland. Highlights of the TS1. The resistor limits the CURRENT going through the coil. Buy 15899A 1 Mercruiser Alpha One Bravo V8 5. 0L V6 that has been damaged by a failed ignition coil. note: the pertronix ignitor is effectively a "go" or "no" system. I got the coil to cool down today by putting a two pole ballast resistor form the coil pos. Another common symptom of a bad or failing ignition pickup is a vehicle that does not start. The ignition control module or pickup coil on the distributor may be making and breaking a circuit under temp changes, VERY common on the older HEI systems, not as common on the HEI system in that engine must certainly worth consideration, however corossion. the points being open. (4- and 6-cylinder) engines: Use a coil that has resistance, measured between the + and - terminals of the coil, of at least 3. Look at the following with your scantool (as shown in Figure 7): throttle position, mass airflow (MAF), short term fuel trim (STFT), long term fuel trim. You'll test the following components: ignition control module, spark plug wires, distributor cap and rotor and ignition coil and pick up coil of the GM 4. Because these vehicles have high-energy ignition systems that operate at 47,000 volts or higher, the old technique of pulling a distributor or spark plug cable to test for a spark is unsafe. I am pretty good with a wrench and multi meter but have run into a dead end on this problem. View and Download MerCruiser 305 CID (5. , GM V-6 and V-8 Engines with Delco HEI Ignitions. There seems to be a problem serving the request at this time. 0 ohm Black Epoxy. Coil Cranking Min. Flame Thrower II coils have lower resistance, 0. This article will walk you step by step thru' the testing and diagnostic of a MISFIRE or NO START Condition. 7 liter mercruiser, right now it has a conventional points and condenser. 0 Mercruiser Ignition Coil Mercruiser Coil Problems Mercruiser Coil Symptoms Ignition Coil for Mercruiser Mercruiser Thunderbolt Ignition No Spark 5:56 1976 Mercury Inline 6 Coil/Trigger/Switc 10:21 HD How to Diagnose Injector or Coil Fault on. 1990 350 mercruiser ignition coil 1990 4. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. 7 w/Delco Distributor. It's true that the coil puts out less energy with the resistor, but it's not a lot less. A P0303 code, for example, would tell you that the No. The trigger conducts voltage to an electronic switch in the switchbox, and this switch then discharges the rectified and stored scapacitor voltage (from the stator) into the ignition coils. It should read 12 volts. I used a multimeter tester and found that no power is going to the coil. Only when it reaches the threshold speed, does the computer take over timing. An excellent tip to keep in mind when you're thinking about Denso 6731301 Ignition Coil Buying is to ensure the site is legitimate. Mercruiser Plug Wires & Coils, direct replacement tune-up boat parts, distributors, spark plugs, rotor, condensor and other Mercruiser boat parts. This could mean a problem with the distributor cap, the rotor, the. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications. Re: Mercruiser Engine Problem easy way to tell if coil when they go bad. By Tom Benford. The kit is a real power enhancer - not a tune up!. If 12 volts is present, remove the coil spark wire from the distributor and connect it to a spark gap tester to ground. I also tested with the original ignition coil (same results) and tested with the tach lead off (same results). 2001 Mercruiser 5. A downloadable MerCruiser repair manual is a digitally delivered handbook that provides step-by-step maintenance, troubleshooting and repair procedures. You read above that the ignition timing is the last thing to set when tuning the engine. MerCruiser Engine Wont Start - Troubleshooting Manual MerCruiser troubleshooting can determine faults and help correct mechanical or electrical system problems. 12volt internal resistor coil vs external risistor? discussion in the Restoration and Repair Tips forum at Yesterday's Tractors. Got a ignition module, same thing. Thank you all for your help. Mercruiser Plug Wires & Coils, direct replacement tune-up boat parts, distributors, spark plugs, rotor, condensor and other Mercruiser boat parts. When a vehicle has an overheating problem and everything in the cooling system is new, perhaps the problem is not the cooling system; maybe the engine is creating too much heat due to an incorrect air/fuel mixture and/or an incorrect amount of ignition advance. Venom Ignition Coil (Replaces/Compatible With MerCruiser, Compatible With OMC & Compatible With Volvo 898253T27, 817378T, 7243200, 3854002-7) Fits MANY 4. Checking and replacing the pick-up coil. I had to replace the coil on my 1998 4. The last time the boat ran was when she was winterized in October 2007. I own a 1994 pontoon with a mercruiser 3. Coil Cranking Min. Sounds more like you had connection problems on the resistor wire and the. Ignition Control Module (ICM) The ignition control module (ICM) replaced the points and condenser used in early spark ignition systems. Today MSD is developing electronics for your entire powertrain. Sierra 18-5466 Hi-Performance 1. Engine S/N 0F781045. Re: Ongoing problems starting 454 Hi, Just tried ringing the mechanic for the 5th time today and as he hasn't rung me back or been down to the boat I'm now going to start afresh with a new mechanic OR try and fix myself. Shop, read reviews, or ask questions about SIERRA Ignition Coil for Mercruiser at the official West Marine online store. Occasionally a timer base will cause this same problem. We specialize in Volvo Penta Volvo Penta engines, outdrives, propellers, and other accessories, but we also carry MerCruiser, PCM, Cummins, Perkins, etc. A bad key switch. 3 alpha mercruiser. I have a Mercruiser Engine Service Manual and Mercruiser outdrive service Manual I can email to you in an attachment if interested Mercruiser electrical Troubleshooting MOONHAWK9491. We noticed your browser version And specifically, you won't have the full experience we have designed for you unless you are using the latest version of these supported browsers: Internet Explorer, Chrome, and Firefox. The owner's manual usually jot down all features and details about the product or service 4 3 L MERCRUISER STARTER WIRING DIAGRAM. A crack in the block can cause a miss at high. com FREE DELIVERY possible on eligible purchases. The engine will begin breaking-up, and backfireing. It probably is blowing exhaust gas directly from the cylinder head onto the coil and melting it. This is the most common problem with the ECM from. Only when it reaches the threshold speed, does the computer take over timing. Approx years 1963-1989 Meets or exceeds OEM specs. Whether it does or doesn't doesn't matter, the info in this test article still applies. Used in Indmar 5.   It was approx. Repair as required. Before buying this product follow the standard manufacturer's trouble shooting guide to pin point your problem. There seems to be a problem serving the request at this time OEM New MerCruiser Ignition Spark Plug Wires Set for V8 New OE MPI Ignition Module, Coil. The pickup coil monitors the rotation of the distributor and triggers the ignition system at the optimal moment to produce the best timed spark for best engine performance. A faulty ignition coil can also lead to a number of engine problems, resulting in an illuminated Check Engine light or a vehicle that will not start. Ignition Coils Items 1-12 of 1133 Sort By Recommended Sort By Name (A to Z) Sort By Name (Z to A) Sort By Price (Low to High) Sort By Price (High to Low). We have over lots of customer reviews on Mercury Ignition Coil to help you find exactly what you need. As the engine RPM climbs, the voltage supplied to the spark plug by the ignition coil drops off slightly. When a "shutter blade" is open, the magnetic field projects onto the Hall Sensor switching it on. Drove a while, stopped to fuel up, turns over now but won't start Seeing you have a 2002 boat with MerCruiser power, you could have a 2001 MY 6. They are located inside the distributor and function as the trigger for the ignition system to produce spark. 187-8009 C117 Cdi Electronics. Easy to use parts catalog. Hi, I believe you too have a ballast resistor problem. Buy online, pick up in-store in 30 minutes. 1115491 Mercruiser Gm Ignition Coil Hei (53. An ignition module, also known as a control unit or an ignitor, creates the amount of energy needed for a spark plug to ignite and controls the ignition timing. A bad harness connection or bad harness. Marine Electronic Ignition Distributor V6 kit Mercruiser OMC more Pro series. The coil that is on there is a 392-805570-1 and all that im finding that are close are serial # 392-805570A2 and i have no idea if i can replace it with this one. The only part of a points ignition system that provides the high voltage necessary to make a spark jump a plug gap IS the condenser/capacitor. 4 - Install Electronic Ignition Kit After ensuring that the distributor base plate is clean and free from grease or oil, take the EI unit and liberally apply the white heat grease to the underside of its mounting plate. DOWNLOAD 1983-2007 MerCruiser - Mercury Inboard Engines, Outdrives (Out-Drives) & Sterndrive Service Repair Manuals delivered to your computer in seconds upon download. All your old points wiring can be eliminated. TROUBLESHOOTING 39 ELECTRONIC IGNITION PROBLEMS IGNITION COIL TEST Disconnect the coil wire from the center of the distributor cap. ignition coil for that cylinder and reconnect it to a load resistor. Did you change it. If your vehicle is behaving erratically and you have problems with it running smoothly, it could be showing signs of ignition coil failure. 5 ohm Ignition Coil for Mercruiser, OMC, Volvo 1. If the problem moves to #3, replace the opposite power pack (switch Box). Coil Powering Both Sides - posted in Problems, Questions and Technical: hi guys, im having trouble with the wiring, from what i susspect is due to the coil i currently have the coil set up as follows red wire coming from accuspark electronice ignition module in distributor -> coil + black wire coming from accuspark electronic ignition module in distributor -> white wire/black tracer -> coil. 0 with thunderbolt IV ignition system - no spark. Ignition Coil Circuit Descriptions. 2 MX MPI engine. Ballast resistors in series with the coil primary can also be measured. coil and distributor that belong to tge boat and have no problems Mercruiser 5. Flame Thrower 40,000 volt Coil Designed for use with the original ignitor Electronic Conversion Kits Can Be used with other. (4- and 6-cylinder) engines: Use a coil that has resistance, measured between the + and - terminals of the coil, of at least 3. The most common symptom of a faulty ignition coil is when the car runs for a while and the engine dies abruptly. The LED will appear to be on steady at above idle speeds when everything is functioning properly. Points are the simplest ignition system since the points are both the sensor and actuator. 0L Engine Wiring Diagrams. On a single coil ignition system, a coil failure will cause the engine to quit and prevent it from starting. 7 liter mercruiser, right now it has a conventional points and condenser. One can see that the resistance could easily be nearly double, reducing the coil's primary current by nearly half, resulting in an identical reduction in stored magnetic field in the core. Brand new coils will fail very quicklly, after after a good run at 3000rpm. >First I checked the voltage at the + side of the coil with the ignition >switch on and engine stopped. I noticed it would run top end speeds that it did. Find ignition mercruiser volvo available for buying now. If the light does not glow ,check the power at the distributor Bat terminal. Drove a while, stopped to fuel up, turns over now but won't start Seeing you have a 2002 boat with MerCruiser power, you could have a 2001 MY 6. IMPORTANT: The audio warning system alerts the operator that a problem has occurred. 0L V6 that has been damaged by a failed ignition coil. Hello, I am having repeated ignition coil failure 2001 Mercruiser 350 MPI Horizon. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. This is the most common problem with the ECM from. My efforts to troubleshoot the problem has identified a problem with no spark at the coil. There seems to be a problem serving the request at this time OEM New MerCruiser Ignition Spark Plug Wires Set for V8 New OE MPI Ignition Module, Coil. When the blade passes between the sensor and the magnet it blocks the magnetic pull on the Hall Switch. 32193 Mercruiser 1972-1982 Ignition Coil 120 140 165 198 228 233 + 1 YEAR WTY. In this article I'll show you a very simple, easy and highly accurate way to see if the ignition coil on your 4. Mercury Outboard 6 Cylinder with ADI Ignition. Over time your outboard's electrical components can be effected by wear, corrosion or system leaks. Got a ignition module, same thing. Quicksilver Ignition Coil 8M0079202 - Thunderbolt - for V-6 and V-8 MerCruiser Stern Drive and Inboard Engines Made by General Motors with Thunderbolt IV and V Ignition System $87. Propeller Wrench/Kits Seal Kits, Lower Unit Solenoids Spark Plug Wire/Kits Starter Solenoids Starters Stators Switch Boxes. com › … › Johnson Evinrude Outboard Forum How do you test an ignition coil in a magneto system using a digital multimeter? Jeff. One of the more popular ignition upgrades on both modern and classic muscle cars is the ignition coil. MerCruiser Engine Wont Start - Troubleshooting Manual MerCruiser troubleshooting can determine faults and help correct mechanical or electrical system problems. Coil, Ignition Module, and improper connections and grounds may also be suspect. 7L Bluewater Inboard Engine? on my 1991 5. I am pretty good with a wrench and multi meter but have run into a dead end on this problem. Easy to use parts catalog. The ignition contact points serve as a trigger for the ignition coil. My efforts to troubleshoot the problem has identified a problem with no spark at the coil. I have a Mercruiser Engine Service Manual and Mercruiser outdrive service Manual I can email to you in an attachment if interested Mercruiser electrical Troubleshooting MOONHAWK9491. Quality of Construction This harness is constructed using OEM quality wire for superior reliability and long term use. >First I checked the voltage at the + side of the coil with the ignition >switch on and engine stopped. If you are having a problem and you think its the coil you can swap them to a different cylinder. Test the mayor problem: 1) contact points and 2. Ignition coils are common to fail in many cars. Hi, I believe you too have a ballast resistor problem. 0 ignition. Choosing the correct ignition coil. The breaker points are what make the coil work properly. A wide variety of outboard ignition coil options are available to you, There are 434 outboard ignition coil suppliers, mainly located in Asia. MSD Blaster Coils are designed to improve spark output and are made for use with stock coil, Blaster Ignition, MSD 5, 6 or 7 Ignition Control performance upgrades. In this article I'll show you a very simple, easy and highly accurate way to see if the ignition coil on your 4. Mercruiser Ignition Modules - Mercruiser Ignition Systems - Mercruiser. With coils and switchboxes both testing OK, your problem is either the stator assembly or the trigger assembly. Ignition coil problems. The ignition coil is in good condition the dist. Approx years 1963-1989 Meets or exceeds OEM specs. Get the best deal for Sterndrive Ignition & Starting Systems from the largest online selection at eBay. The charts on this page provide specs for testing your Mercury Mariner outboard ignition components. If there is an iginition problem (coil or converter shorted), the LED will be SOLID RED. MerCruiser Engine Wont Start - Troubleshooting Manual MerCruiser troubleshooting can determine faults and help correct mechanical or electrical system problems. When the points are closed the coil CHARGES the condenser with an electrical charge. An ignition condenser is a capacitor that is designed to hold a small amount of current inside the engine's ignition system. Mercruiser Ignition Tune Up. Did you change it. Shop, read reviews, or ask questions about Ignition Coils at the official West Marine online store. The module part number is 3854077. Sierra 18-5466 Hi-Performance 1. In other words, yes, the 71 472 does have an external resistor in the form of the resistance wire mentioned above. No continuity to chassis ground. Every once in a while spark will happen and it will start and run perfectly for 5-10 minutes. any ideas?. 5 7 Mercruiser Starter Wiring Diagram - Wiring Diagrams • intended for Mercruiser Ignition Wiring Diagram More information Find this Pin and more on Wiring Diagram by Calendar Designer. If you are on a mobile device or having trouble viewing. replaced the coil, points, condenser, and the ignition switch. Flame Thrower 40,000 volt Coil Designed for use with the original ignitor Electronic Conversion Kits Can Be used with other. Pete, most coils need the resistor Although that's not the case with EVERY coil, most do require it. Mercruiser Ignition Repair Parts Our goal is to help you obtain the correct parts on the first call. When you get to the step where you remove the white wire with green tracer from the negative side of the coil you are bypassing the hall sensor in the distributor and signaling the ignition module to fire the coil. 3 v6 mercruiser wont start MCM 4. I think its the ignition control module, has 4 wires (6 put 2 not connected??) which goto the coil. No voltage. 7 intermittent starting issue period after starting it the engine died and was difficult and actually impossible to restart. I got the coil to cool down today by putting a two pole ballast resistor form the coil pos. what could have happen to it or what did I do wrong. mercruiser ignition I have a 1987 Larson w/3. C – Audio Warning Components 1 – Water Temperature. Got a ignition module, same thing.