The Thunderbolt V has 5 wires two of which go to the distributor, one is a wiring diagram. schematron.org Im looking to replace the thunderbolt V ignition system. wanted to replace the mercruiser ignition system with something new.6/6/2017 Mercruiser Thunderbolt Ignition System and The Cure
Off of the engine mounted wire harness there are 2 grey wires with small eye connectors.. elec diagram.
Section 4B - Thunderbolt V Ignition System. Table of .
Electrical, ignition and fuel system components on your MerCruiser power package cautions, along with others listed throughout this manual, that you should observe. Wiring Harness-Electrical (Thunderbolt V Ignition) 4, T, BRACKET, 1, This Part is NLA from Mercruiser. 5, 8M, SENDER ASSEMBLY, Oil.
I have a LX with thunderbolt V ignition on it. I run the engine in Use engine diagrams to find & order parts for your Mercruiser engine.
. Inspect the ignition key wiring for a loose or broken wire strands on the switch.Jun 19, · Need wiring schematic for mercruiser with thunderbolt IV 4 ignition My system has been modified as each engine doesn't match the other and seeing how they are both in the same boat, I would think they would be the same! Mercruiser Thunderbolt ignition systems.
Mercruiser introduced the Thunderbolt IV onto their engines in , alongside the introduction of the 1-R drives. The TB-IV system was used until the introduction of TB-V mid-way through Thunderbolt V was an improvement on an already exceptionally reliable and well performing system.
WIRING DIAGRAMS - 4F-1 Wiring Colors for MerCruiser NOTE: Color codes listed below DO NOT apply to fuel injection system harnesses. . Find best value and selection for your MerCruiser Thunderbolt Ignition Wiring Harness USED search on eBay.
World's leading marketplace. Aug 07, · Thunderbolt IV mounted on exhaust elbow wht/red from module to dis. wht/grn from module to dis.
gray neg on coil to tac. and to module.
purple on pos. coil from module and kill switch /ignition.
blk. is ground.Mercruiser Thunderbolt 4 Wiring Diagram | Wiring LibraryHow Mercruiser Thunderbolt ignition systems work. Page: 1 - iboats Boating Forums |