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GMC Canyon tail light wiring


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#1 RWDMLD18

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Posted 27 August 2009 - 07:11 PM

My 2006 GMC Canyon truck is wired for a trailer. If a long wiring harness is plugged in to the trailer adapter at the tow hitch and than plugged in to the RV tow light adapter, will the truck tail light work?
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Bob and Dawson
F408869
2006 National Dolphin, 2005 Canyon, Roadmaster hitch

#2 wolfe10

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Posted 27 August 2009 - 07:45 PM

The truck is wired for a trailer. If a long wiring harness is plug in to the trailer adapter at the tow hitch and than plug into the RV tow light adapter will the truck tail light work?

In a word, NO. You would be BACKFEEDING the Canyon's electrical system.

If there is room in the tail light lenses, you can install an additional socket/light that is fed from the RV, OR

You can buy a "diode-based" adapter that would allow you to cut into the Canyon's tail light wiring (may void warranty) to use the present bulbs, OR

Use separate magnetic-base lights that are totally separate from your Canyon.

Brett Wolfe
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#3 RWDMLD18

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Posted 27 August 2009 - 08:14 PM

Thanks, Brett. I thought so, but I had to ask the question. I do have the harness kit that has the additional bulbs. I will install per the directions.
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Bob and Dawson
F408869
2006 National Dolphin, 2005 Canyon, Roadmaster hitch




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