11-05-2007, 05:58 AM
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Banned
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Join Date: Feb 2005
Location: Westwwod, CA.
Posts: 2,501
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Re: REAR BUMPER BRAKE LIGHTS
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Originally Posted by working Hummer
all I can tell you is I finally crawled under the truck and the part # for the harness is GM #88966140. It just plugs into the back of your trailor plug in, up under rear bumper. It came with the wiring all attached to it, just plug into trailor plug and the two lights. I have no idea what the bracket and tail light #'s are but those should be pretty easy to find. The harness # seems to be the tough one to find, so there you go. Now I have to go take a shower from crawling on the underbelly of the 2.
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No such GM part # upon search. I used 2 3-wire pigtails from GM, but you could just as easily use 2 generic 3157 socket/pigtail set-ups. Installation article pdf available via e-mail. Too large to post here.
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