You won't ever. They make a universal harness. You should have a wire harness for your new radio only that was included with the radio. It should plug into the new radio and the other end will just be wires. Then you will need to go to a parts store, ( AutoZone, Oreilly's, Advance Auto, Etc) and but a radio wire harness for your truck. It will have a connector or two that plug into the harness that plugs into the back of your stock radio and the other end will be just wires. you will then connect the two harnesses together by matching wire color. ( EG: Purple to Purple, Gray with black stripe to Gray with black stripe, etc)
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ok i will try that thanks
I try to change the original radio in 1994 to Aiwa car stereo, nut I put the wire red with red, yellow with yellow and black with black and don't turn on, what I missing.
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