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electrical related unit in trunk??

mikejohnlewis

New member
this is s nooby question buy my old gp didn't have this, I got a 2002 GT 40th edition today and there is a box with a bunch of wires running to it in the trunk its bolted down on a bracket that looks factory but im not sure what it is please help.
 


Sounds like the OnStar thingamajig (module?). I have 99s and had a 40th also. It had that and 99s don't. I think it actually says OnStar on the cover.
 
Mounted at an angle on the driver's side of the trunk, maybe the size of a small bread loaf? Probably it. If theres an owner's manual, check that out because there are a few differences. I had to look really close to see the writing on it, IIRC.
 


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