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Message: <blockquote data-quote="Roysen" data-source="post: 2679" data-attributes="member: 380">Tow/Haul button not working. (SOLVED)This is my first post here on GMT800 so "Hi everyone".My car is a Tahoe LT 2002 and my TOW/HAUL button have stopped working. There is no light up in dash and no difference on the gear up or down. I have a Haynes Repair Manual but I cannot find this button in any of the wiring diagram. Do anyone have any wiring diagram for this or some good advise how to troubleshoot this?</blockquote>