radio install

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Pharoh

Not-quite-so-new-guy
Jan 14, 2008
12
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Chicago
i look to install the radio this morning while i was up and the person i bought it from has cut the original harness so all i have is wires does anyone know what the colors are for the the "+","-" and the battery wire everything rom there i can figure out.
 
This looks to be right:

http://www.installdr.com/Harnesses/GM-Wiring.pdf

The connector is different, but the color codes seems right. The only disagreement between the 2 shown in the link above is in the Right Front color polarity (lt green/dark green)

Depending on your original radio, you may not have the provisions for a "constant on" wire (orange).

Use a voltmeter or test light to determine your power connections.

As for speaker polarity (assuming you are reusing the ones already installed), use a 9V battery and connect to speaker. If paper pushes out, the polarity is correct. If paper goes in, then you have it backwards. Do this BEFORE wiring the radio.
 
figuring out the power/ground connections should be easy, its the speakers you may have a hard time with
 
I like that 9v battery trick, never heard about that one.
 
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