Gm Wiring Harness Color Codes
Red dc positive conductors.
Gm wiring harness color codes. Locate the 12 volt constant wire first. Label it or splice to constant wire on aftermarket stereo first. Important there are two 2 yellow two 2 gray and two 2 brown wires in this harness. General motors radio wire harnesses and wire colors chevrolet chevy gmc oldsmobile pontiac buick cadillac and saturn.
Tool list and wiring detail. Engine and accessory wiring color code. Swapping yellow wires will cause damage to any aftermarket stereo. Label it or splice to constant wire on aftermarket stereo first.
General motors color code for wiring available. Important there are two 2 yellow two 2 gray and two 2 brown wires in this harness. However in the manuals i have there is no comprehensive color code chart. Conversion from gm wire color codes for ford and chrysler applications turn signal horn master connector port gm wire ford wire chrysler wire chrysler wire color color color color 1970s 1980s horn g black or lt grn yellow black black left frt turn h lt blue green green lt green.
Locate the 12 volt constant wire first. They are available from the internet from helms inc. Use green or green w yellow stripe s dc grounding conductors. General wiring color code.
Brown yellow stripe by or yellow y see note. 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. Colour item use yellow w red strip yr starting circuit starting switch to solenoid. Check fuses if your unable to find 12 volts.