A wiring diagram is a streamlined traditional pictorial representation of an electric circuit. Good luck getting a copy made locally, it shouldn't be that tough.-Paul Random issue—Went to start the boat last night and my port ignition switch (lower helm) would not spin the starter. If your boat's ignition switch no longer lights the fires of your engine without effort--perhaps you have to wiggle the key in the switch, or you may even have to wiggle a loose ignition switch in the dash--the time for replacement has arrived. How the ignition switch works. Ignition Switch Troubleshooting & Wiring Diagrams. Re: Tracker boat ignition switch problem #6 Post by BoatCop » Thu Jul 16, 2015 2:30 am Only issue I've had is the assembly coming loose and the whole thing turning. Before replacing anything, however, you can do a simple test of your ignition switch to assess the situation. Off-Ign-Ign/Start, spring return to Ign. Malibu doesn't offer any key service or sell any blanks. The boat is in great shape, low hours and well maintained, but the only issue I'm having with it is the ignition switch is extremely finicky!! After some troubleshooting and jumping to the conclusion that it was my kill switch, the problem is not resolved. It looks like Evinrude identified ignition switch problems in Sept 2016 – and issued a bulletin – All rigging kits and ignition switches were redesigned (enhanced durability, quality and reliability) – my ignition switch 766554 was replaced with 768746. A shorted tachometer. I contacted the manufacture of the ignition switch and they will sell blanks but only at a 500 quantity so Malibu would have to be the one to make a purchase that big and have it be worth while. 87-17009A5 Boat Ignition Key Switch Assembly Fit for Mercury Outboard Control Box Motor 3 Position Off-Run-Start Replace mp51090, mp41070-2 4.6 out of 5 stars 27 $29.88 $ 29 . Breaker Points worn or not adjusted (conventional ignition). 4. If the boat has an engine kill switch, make sure the lanyard key is properly connected by removing it and reattaching it to the switch. 10 Electrical Problems Every Boater Should Watch Out For. Another symptom of a bad ignition switch is if it is overly hot when touched. If these simple remedies don't solve the problem, the next step is to look at the battery. 88 Acc-Off-Ign/Acc-Start 4-Position Ignition Switch by Littelfuse®. My ignition switch seems to have slipped and even become a little loose. Universal Ignition Barrel Key Switch Waterproof Cover Keys Car Bike Boat Kit 12v 4.5 out of 5 stars (7) 7 product ratings - Universal Ignition Barrel Key Switch Waterproof Cover Keys Car Bike Boat Kit 12v yellow with red stripe=starter. 9. A bad harness connection or bad harness. The ignition switch is connected to a series of high-resistance wires and any of the terminals connecting these wires can overheat. A faulty Shift Interuptor Switch on the shift plate assembly. Typically, the ignition switch has four positions: 87-17009A2 Boat Engine Starter Ignition Key Switch Replacement for Mercury Outboard Motor Control Box 3 Position 6 Wire Replace Sierra MP41070-2, MP41070, MP41070-1 4.8 out of 5 stars 9 $30.99 $ 30 . 4. When I backed it in and tried to start it I got nothing. Article by Luis. Problems when removing the key: If your ignition switch is worn out, it may be difficult to turn or remove the key. This symptom you can easily notice while you put the key into the ignition switch and attempt the ignition on mode. This is normally only available through your vehicle's dealership. I have checked the engine temp, oil-temp,trans. I bumped the key several times and still nothing. I have checked 50 AMP breaker on engine and it is OK. All wiring at the dash seems to be OK as is the red/yellow neutral wires coming from the shifter. Marine Ignition Switches. A blown ignition fuse. Voltage at ignition switch is 12.6v. 1. It is the problem either of the ignition switch or battery. Trailer Wiring Diagram Boat Wiring Boat Console Boating Tips Build Your Own Boat Boat Projects Diy Boat Boat Accessories Boat Stuff. On the other hand, if the switch is going bad, the engine may keep running after you take the key out. Marine Grade Ignition Switches in brass or plastic. On my boat this is not affected by any of the three kill switches, Jet port hatch, lanyard or throttles. A removed or faulty Safety Lanyard Switch. A bad key switch. 1) Using a short length of wire, jump the large terminal on the solenoid (the one with the big reg POSITIVE battery cable attached to it) to the small "S" terminal on the solenoid. No power to the depth finder when starboard ignition switch is turned on. Variety of boat ignition switch wiring diagram. Here is the problem: 1. 8. problem with boat ignition switch!!!!? This is an accurate sign that the ignition switch problem could be rooted in the electrical system. 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