Thunderbolt Iv Wiring Diagram

When hot the ignition fails completely.

Thunderbolt iv wiring diagram. 08 06 2002 09 51 pm 2 floridianson. Adapter harness 15275a1 is no longer available from the manufacturer. Lead to the engine ground and pos. Wanted to replace the mercruiser ignition system with something new.

Thunderbolt iv wiring diagram. Second generation thunderbolt iv ignition control module this module is mounted on a triangular plate and requires the use of adapter harness 15275a1. Wiring diagrams 4f 3 thunderbolt iv with ignition module mounted on. Can anyone point me in the direction of a thunderbolt iv wiring diagram.

Remove the white green lead from the dist. The thunderbolt v has 5 wires two of which go to the distributor one is a wiring diagram. Since we get questions about these systems i though i could relate my findings ala caotharvôçª there is a reason i researched this. After cooling it runs normal.

0 received 0 likes on 0 posts. If 12 volts is present remove the coil spark wire from the distributor and connect it to a spark gap tester to ground. Wht grn from module to dis. Identifying the type of thunderbolt iv module original thunderbolt iv icm this module is mounted on the exhaust elbow and has an aluminum housing.

My 2452 with a 5 7l 250 hp 2 bbl carb engine had developed a problem. Lead to the white red wire terminal at the dist. Thunderbolt v ignition w o knock sensor. Connect your voltmeter neg.

Fits gm v 6 engines with thunderbolt iv v hei ignition. Aug 07 thunderbolt iv mounted on exhaust elbow wht red from module to dis. Mercruiser thunderbolt iv ignition wiring diagram thanks for visiting our site this is images about mercruiser thunderbolt iv ignition wiring diagram posted by benson fannie in mercruiser category on oct 25 2019 you can also find other images like images wiring diagram images parts diagram images replacement parts images electrical diagram images repair manuals images engine diagram. Tests for tb ignition.

Jun 19 need wiring schematic for mercruiser. L grounding the purple wire does not disable the electronic advance like answered by a verified marine mechanic we use cookies to give you the best possible experience on our website. It should read 12 volts. W ignition key on and bilge well ventilated of gas fumes.

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. You are invited to join our public boat repair forum to seek assistance from other members.