Have a 96 GMC 1500 single cab that was originally a 4.3. We blew that motor up so pulled a 5.7 out of a 97 Tahoe to swap in. Stole the wiring harness and all that out of it as well. Tahoe was running and driving before pulled everything out of it. Going to to try to start it but have no spark...
Interesting, thank you very much.
Guess figure out how to either make a tahoe brake light stuff work or steal the wires out of my old harness and wire the relay in.
Good evening
Have a 96 1500 single cab that I am swapping in a 5.7. Originally the truck was a V6. Stole the motor and the engine wiring harness out of a 97 Tahoe. Everything went in and put power to it all and realized the third brake light was on as soon as everything had power and now have no...