Thread: GMC Wire Color

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  1. #1
    USAF Retired Astro-T's Avatar
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    GMC Wire Color

    Just got a new (to me) 2004 GMS Sierra. It has a 4 wire connector on it but I have a 5 to 5 adapter and need to hook up to the backup light. Anyone know what the wire color is on the back up lights? I can find it but would prefer not to rip everything apart to do it. Thx!!!

  2. Member
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    #2

    Re: GMC Wire Color (Astro-T)

    drop your tail gate remove two screws holding tail light and your wires are write there simple

  3. USAF Retired Astro-T's Avatar
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    #3

    Re: GMC Wire Color (genemelow)

    sheesh! can ya tell this is my fist p/u? On my old ramcharger it wasn't tough but had 4 torx type screws. Kind of a pain. Thx for the info!!

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