Questions & Answers for: engine wiring harness 1985 gmc

Question about 1985 K1500

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...1985 gmc sierra the lights worked one bulb blew i changed it now my horn and headlights dont work. i checked it looks like horn and headlights are on same fuse. all other lights work and fuse is ok.. ...

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...engine runs extremely rich. someone has installed headers, I don't see an O2 sensor. could this be the problem? were is the wiring harness for the O2 sensor if I was to install one? It Should be ...

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it :) to put a later model engine in that car,the swap you described will require a complete wiring harness change and computer and all electrical that goes with whatever late model engine you go with

Replace the wire harness:  Part Number 89024920 Description Harness Assembly, Engine Cooling Fan Wiring Good luck and keep me posed.  SERVICE THE ENGINE !!!!Oil/filter change

Question about 1985 Jimmy

1 Answer

...1985 gmc jimmy 350 engine Most all Chev or GMC v8 engines use the firing order of 1-8-4-3-6-5-7-2. You have to find where #1 is on the distributor cap which is usually closest to #1 cylinder then ...

engine and it won't restart either. Does the 1995 tempo have such a wire? Also does it have a fuse for the alternator? Any help would be greatly appreciated. There is a Ford Technical Service Bulletin

...gmc 1 ton 454 bigblock installed new. Carb ran great. Fired her up let her warm up while driving she just died and will not fire. Put new 8mm wires and plugs still no fire she is getting plenty of ...

what type of motor harness do i need for ls engine drop into g body? Custom Harness is needed goggle Painless wiring harness

what type of motor harness is needed for ls engine drop into a g body? Custom Harness is needed goggle Painless wiring harness

...1996 GMC Sierra what engine wiring harness is interchangeable with this truck I believe a 96-98 harness from any chevy or gmc would work. V8 to V8 not V6 to V8 the 305 and 350 would be the same ...

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