I have a 04 Z71. I put a new radio in.
But I didn't have enough money to buy
all the stuff. So I bypassed the factory
amp by cutting the speaker wires and
ran them straight to the radio. But when
I hooked my battery backup the motor
started making noise.do any body know
what is wrong. Thanks very much
"Cutting factory wires" is almost NEVER a good idea. Undo what you did.
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