Mercruiser wiring diagram ignition coil 470 engine model 250ci yellow purple cylinder looks power repeat above test check schematron Mercruiser ignition thunderbolt 3l electrique 1989 marine mercury diagrams harness hei gm wires sterndrive v8 mpi penta assy pressure Mercruiser 228 ignition coil wiring diagram
Mercruiser 228 Ignition Coil Wiring Diagram
1989 mercruiser 4.3 v6
Mercruiser wiring 3l efi harness sender mercury electrical slave
1989 mercruiser 4.3 v6 .
.
![Wiring Harness(Engine) - 1998 Mercruiser 4.3L [Alpha Efi] 4231017L1](https://i2.wp.com/2020cadillac.com/wp-content/uploads/2019/02/wiring-harnessengine-1998-mercruiser-4-3l-alpha-efi-4231017l1-mercruiser-4-3-wiring-diagram.png)
