Q7 MK 1 Discussion Discussion forum for the Audi Q7 SUV built from 2005 to 2015

simple tow hitch question

Old 10-22-2017, 08:37 AM
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Hitch went on pretty decent still need to make the cutout.
acc not working when i plugged the module in, hope it will be ok once i do the tow coding
question what does this 1 pin plug go into?
Old 10-23-2017, 07:11 AM
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bump.
anyone know about that little taped connector?
Thanks
Old 10-23-2017, 07:26 AM
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I believe thats 12v power for the trailer, used for brakes and charging trailer battery while on the road.
Old 10-23-2017, 07:38 AM
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Hmm where does that connect to on the vehicle though?
I saw that 2 pin one in the spare tire area which found its mate but this one..I dont see anything..
Old 10-24-2017, 04:46 AM
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think someone could do me a favor, pop their right rear cover off and take a quick peek. See if your connector is plugged into anything or hanging in open space like mine? Would help me get some sleep at night
Old 10-26-2017, 04:40 AM
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Since I built my own harness, I know I do not have that connector So I don't think it is needed.

My memory is kind of fuzzy, since I built this harness a while ago, but I believe it is just spliced into the red/white that goes to the two pin and to a pin on the controller. I seem to recall it was the brake light signal from the ABS module.
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