Mercruiser 9 Pin Wiring Diagram

I am restoring a 19' 1989 stingray 5.7 alpha one with thunderbolt 4 Wiring diagram 5.7 mercruiser Thunderbolt 1989 alpha wiring stingray restoring ignition engine switch am iv boat

I am restoring a 19' 1989 stingray 5.7 Alpha One with Thunderbolt 4

Wiring mercury diagram mercruiser box switch outboard control diagrams thunderbolt merc boat 40hp hp engine wire ignition johnson harness neutral

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Wiring Diagram 5.7 Mercruiser

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I am restoring a 19' 1989 stingray 5.7 Alpha One with Thunderbolt 4