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Old 10-26-2017, 03:10 PM   #56
chuckster57
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Join Date: Jul 2014
Location: Modesto
Posts: 20,353
Just started a PDI on a 2018 trailer:

RED is (+) positive
BLACK is (-) negative at battery.

I will agree that pretty much all INTERNAL 12VDC wiring uses white as ground.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.

Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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