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Old 02-11-2017, 09:10 PM   #1
bikernut
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2003 GMC tow/haul switch input signal to the body control module location

I seem to have lost the ground to my Tow/Haul button and the wiring is okay in shifter just has no ground so I need to know where to look for the grounding post or nut where ever it is. I have the wiring schematics so I just need the location(s) so I can find it on a 2003 GMC 3500 4x4, 6.0 engine, auto trans
thanks
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Old 02-18-2017, 01:42 PM   #2
Moose Monkey
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Re: 2003 GMC tow/haul switch input signal to the body control module location

See if this helps
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