Re: 2008 gmc savana 2500 tcm pin diagram
aussie thanks for that info. but i couldnt find anything in that for a 2008 expess 2500 for a 4l80e. only thing i found was for a 4l60e. so i thought maybe its a 4l60 so i counted the wires going to the plug and there are 11 wires going into round plug and everything i have found online states thats all that go to a 4l80 and 13 go to the 4l60
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