Thunderbolt Ignition Wiring Diagram. Color codes listed below do not apply to fuel injection system harnesses. In this episode i show how i installed a new delco est ignition system for my mercruiser 57l.
Remove fasteners and hardware retaining igni tion module to exhaust elbow. Disconnect spark plug wires high tension leads from spark plugs. The blacks are ground.
Otherwise the arrangement will not work as it ought to be.
Mercury marine all products sierra marine parts. Thunderbolt iv wiring diagram also ignition wiring diagram for 3 0 mercruiser moreover mercruiser boat wiring diagrams along with yamaha marine wiring diagram as well as mercury ignition wiring diagram furthermore kingdom hearts ps2 world map moreover 2ao26 hi replaced starter 4 3l v6 mercruiser engine along with mercruiser wiring diagram further 5ah16. The thunderbolt v has 5 wires two of which go to the distributor one is a wiring diagram. Thunderbolt iv is a battery powered high energy ignition system not a cd system.