Gm Wiring Harness Color Codes
Important there are two 2 yellow two 2 gray and two 2 brown wires in this harness.
Gm wiring harness color codes. They are available from the internet from helms inc. Tool list and wiring detail. Red dc positive conductors. However in the manuals i have there is no comprehensive color code chart.
Locate the 12 volt constant wire first. Label it or splice to constant wire on aftermarket stereo first. Locate the 12 volt constant wire first. Colour item use yellow w red strip yr starting circuit starting switch to solenoid.
Black or yellow dc negative conductors. General motors radio wire harnesses and wire colors chevrolet chevy gmc oldsmobile pontiac buick cadillac and saturn. Swapping yellow wires will cause damage to any aftermarket stereo. Important there are two 2 yellow two 2 gray and two 2 brown wires in this harness.
General wiring color code. General motors color code for wiring available. Use green or green w yellow stripe s dc grounding conductors. Engine and accessory wiring color code.
Label it or splice to constant wire on aftermarket stereo first. 01 01 04 01 28 pm post 364900 in response to gene if you get a factory manual for the late model car in question it will have all the color codes. Check fuses if your unable to find 12 volts. Radio wiring color codes radio wire color codes radio wiring diagram radio wire diagram radio wiring harness radio wire harness stereo wiring color codes stereo wire color codes.