I've been searching for a solution to my problem for hours and stumbled onto this website so I'm hoping someone can help me. I have a 2002 Quad and I'm having trouble with installing an aftermarket head unit. I connected all the wires correctly to a wiring harness, and the unit will play the radio just fine. But when I try to listen to a CD, no sound comes out of the speakers. The wiring harness has a brown wire that is not labeled and looking at the pin positions it doesnt match up to a wire on the factory side. However, there is a wire on the factory side that does not have an output wire on the aftermarket harness. Has anyone had or heard of this trouble before? Please help. I connected the new unit to another vehicle, and the cd player worked fine.

 

Solved my own problem. Wiring harness says "power ant" when it is acutally an amp relay. FYI for METRA wiring harness.

 

yea u had to use the amp turn on wire u may have the factory sysem