Thunderbolt V Ignition Wiring Diagram

After cooling it runs normal. Wanted to replace the mercruiser ignition system with something new. W ignition key on and bilge well ventilated of gas fumes.

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Connect your voltmeter neg.

Thunderbolt v ignition wiring diagram. V6 mercruiser engine thunderbolt iv ignition and forgot how all the wires i have the full seloc manual so i already have these wiring diagram that you. Thunderbolt iv and v ignition systems. Warning electrical ignition and fuel system components on your mercruiser are designed and manufactured to. The thunderbolt v has 5 wires two of which go to the distributor one is a wiring diagram.

Thunderbolt iv ignition wiring diagram wiring diagram is a simplified standard pictorial representation of an electrical circuit. It should read 12 volts. Fits gm v 6 engines with thunderbolt iv v hei ignition. Remove the white green lead from the dist.

Lead to the white red wire terminal at the dist. 6 6 2017 mercruiser thunderbolt ignition system and the cure. When hot the ignition fails completely. Since we get questions about these systems i though i could relate my findings ala caotharvôçª there is a reason i researched this.

Wanted to replace the mercruiser ignition system with something new. If 12 volts is present remove the coil spark wire from the distributor and connect it to a spark gap tester to ground. Im looking to replace the thunderbolt v ignition system. My 2452 with a 5 7l 250 hp 2 bbl carb engine had developed a problem.

It shows the components of the circuit as simplified shapes and the capacity and signal connections between the devices. Tests for tb ignition. See application fits and newer mcm mie l l l l mpi engines with ecm fits gm v 6 engines with thunderbolt iv v hei ignition. 4b ignition system wiring diagram 4b timing and idle adjustment procedures for thunderbolt v ignition.

Lead to the engine ground and pos.