Gm Radio Wiring Color Code

Locate the 12 volt constant wire first. Important there are two 2 yellow two 2 gray and two 2 brown wires in this harness. Several wiring providers painless ron francis etc provide gm color coded replacement harnesses but with a google search i could not find any who offered documentation of that color code.

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Gm radio wiring color code. Label it or splice to constant wire on aftermarket stereo first. All i found was a few specific references to stereo installations and trailer towing but nothing for a full harness. While the colors for standard speaker configurations differ between pre and post 1990 vehicles drivers will find that the scheme for gm radios has generally remained the same. The general motors gm radio wire harness uses gray orange yellow pink and black colors.

General motors radio wire harnesses and wire colors chevrolet chevy gmc oldsmobile pontiac buick cadillac and saturn. Label it or splice to constant wire on aftermarket stereo first. Step by step installation instructions complete with photos tool list and wiring detail. Important there are two 2 yellow two 2 gray and two 2 brown wires in this harness.

Locate the 12 volt constant wire first. The color scheme is generally standard for vehicles of every year. Delco wire harness diagrams 1 2 3 4 2 3 4. Swapping yellow wires will cause damage to any aftermarket stereo.

Swapping yellow wires will cause damage to any aftermarket stereo.