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  1. #1

    Default Aftermarket Head Unit

    Hi all! I am new to the forum and truck world for that matter. I just picked up a 03 Silverado Z71 ext cab. I am swapping some audio gear from my last vehicle into it, but I have hit some snags. The truck does not have the bose system or onstar, I wired the harness to the eclipse one and pluged her in and nothing. About all that would work is the the open button. I tried this with another kenwood deck as well and nothing. Obviously I have something screwed up, is there any tricks with wiring up a truck? Does anyone have any advice? Thanks!

  2. #2
    Sr. Apprentice
    Join Date
    Apr 2008
    Fort Leonard Wood, MO


    are you still using the converter from your other vehicle for the truck? if you are then you might need to get the proper converter kit for it.

  3. #3


    Thanks! I figured it out. The GM harness does not provide a switched 12+. You have to tap into the fuse box and run a line to the head units harness.

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