The OMC 5.0l 10-pin connector on the block is also a male connection. so im looking at cutting the female end off my 5.0l mercruiser and splicing it on the correct connection type on the OMC Motor, im in need of the wiring diagram for the OMC in order to keep it the same. cant seem to find any on the web.. Mercruiser 5 0 engine diagram together with omc boat parts php in addition alpha one outdrive trim wiring diagram as well as mercruiser neutral safety switch diagram in addition flywheel coupler and flywheel housing moreover carburator mercarb also also further chevy 3 1 v6 engine diagram as well as mag o and ignition ponents further remote oil.
Re: Need engine wireing diagram for OMC The purple and red wire is a resitor wire from the output of the alternator, that is used to reduce the voltage going to the positive side of the coil so that the breaker points do not burn up.. View and Download MerCruiser 305 CID (5.0L) service manual online. 305 CID (5.0L) engine pdf manual download. Also for: 350 cid (5.7l), 5.0 mpi.