Mercruiser Shift Interrupter Switch Wiring Diagram. Ot320116 & prior) ecu 75 and 90 hp models. The gray wire in the harness goes to gray
The wire that you need to be concerned with is the gray wire that connects to the interrupt switch the other wire is going to a ground. Carbureted shift assist shift cutout wiring diagram (mercruiser & early o.m.c.) delco e.s.t. 14.10.201814.10.20186 commentson mercruiser alpha one shift cable diagram.
