Thunderbolt V Ignition Wiring Diagram

Hello i just finished doing some transom work on my 23 ft wellcraft and i forgot where the wires go from the thunderbolt v to the coil.

Thunderbolt v ignition wiring diagram. Remove the white green lead from the dist. Connect your voltmeter neg. The thunderbolt v has 5 wires two of which go to the distributor one is a ground pigtail which is grounded to the body of the thunderbolt 5 black and the other two one is purple and the other is blackish green go to the coil. Mercruiser thunderbolt ignition systems.

If 12 volts is present remove the coil spark wire from the distributor and connect it to a spark gap tester to ground. Reply 08 06 2002 11 02 pm. Thunderbolt iv mounted on exhaust elbow wht red from module to dis. This is a complete working ignition system that was removed from a gm v 8 engine with the thunderbolt 4 ignition system.

Buy a genuine mercury quicksilver or aftermarket part. Brown in mercruiser category on nov 12 you can also find other images like wiring diagram parts diagram replacement parts electrical diagram repair manuals engine diagram engine scheme wiring mercruiser thunderbolt iv no power to coil page. 1 iboats. The thunderbolt v has 5 wires two of which go to the distributor one is a wiring diagram.

Thunderbolt iv and v ignition systems. The gray and violet wires from both modules are fastened to the coil primary terminals with lock washers. Mercruiser thunderbolt ignition wiring diagram this is images about mercruiser thunderbolt ignition wiring diagram posted by peggy g. Tests for tb ignition.

And the wiring running under the elbow to the coil. Gray neg on coil to tac. Thunderbolt v was an improvement on an already exceptionally reliable and well performing system. Here is the youtube location to where the system is being offered for sale.

Lead to the engine ground and pos. Mercruiser starter wiring diagram trusted wiring diagram mercruiser 5 7 engine diagram smart wiring diagrams u bayliner capri wiring diagram. V gm v 8 wiring harness electrical thunderbolt v ignition parts. Mercruiser introduced the thunderbolt iv onto their engines in 1982 alongside the introduction of the 1 r drives.

I had a slight stumble on acceleration and i had previously changed the spark plugs ignition module ohmed the spark plug wires changed to another known go. Lead to the white red wire terminal at the dist. Wanted to replace the mercruiser ignition system with something new. Wht grn from module to dis.

The bayliner owners club is a gathering place for bayliner owners and prospective owners. The tb iv system was used until the introduction of tb v mid way through 1996. It should read 12 volts.