I am restoring a 19' 1989 stingray 5.7 alpha one with thunderbolt 4 Mercruiser wiring diagram 350 mpi mag harness efi parts marine distributor engine mercury installation section mie diagrams drawing great 1998 1989 thunderbolt restoring stingray alpha wiring am boat
Mercruiser 5 7 Alternator Wiring Diagram - Wiring Diagram
Mercruiser 4 3 distributor wiring diagram
![Mercruiser 4 3 Distributor Wiring Diagram - Wiring Diagram](https://i2.wp.com/www.marineengine.com/parts/mercury_marine_parts/static/img/COMMON/19360.gif)
![I am restoring a 19' 1989 stingray 5.7 Alpha One with Thunderbolt 4](https://i2.wp.com/ww2.justanswer.com/uploads/JeffGr/2011-07-19_024417_tbolt-iv-wiring.gif)