1990 Chevy Silverado Trailer Wiring Diagram. Does anyone know what the third solid green wire is for and if it needs to be grounded or just taped off? Here is a guide to help you.
Offroaders Staff Editor Trailer & Towing. Made installing my new stereo a breeze. Many times, trailer wiring is as easy as inserting the trailer plug into your vehicle's pre-rigged system.
I've seen diagrams showing some Silverados having a dk. green "E&C" wire which may be some kind of diagnostic.
This happens quite a bit where the ignition coil wire goes bad and doesn't feed the ignition coil's spark to the distributor cap.
I bought a used Chevy Silverado, it had a receiver and the big round factory installed lighting plug on it. Trailer Wiring Harness Install Chevy Silverado- etrailer.com. Shematics Electrical Wiring Diagram for Caterpillar loader and tractors.