Question about 1999 GMC Suburban

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Need sterio wiring diagram for 1997 1500 gmc p/u ,factory harness

Trying to change factory sterio, need to find color codes for factory harness, to be able to install aftermarket name brand sterio,for 1997 1500 serious extended cab 4x4 gmc seirra pls help, pls send to
BARNESWARREN@GMAIL.COM if you can help, also have 1993 blazer with same problem . thanxs

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  • warren barnes Dec 08, 2008

    went to canadian tire and got the adaptor, but after i installed it i was left with 4 extra wires, and the sterio would not turn on

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DON'T REMOVE FACTRORY CONNECTORS!!!!!!!!!!!!!! Spend $15 and buy a wiring kit. It plugs right into your vechile wires and the kit tells you what wires are what. Splicing the wires will lead to headaces down the road!!!

Posted on Dec 08, 2008

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