Re: strange trailer wiring with 2002 Quad Cab w/factory 7-pin

From: Walt@Walt-n-Ingrid.Com
Date: Thu Nov 03 2005 - 13:56:40 EST


In article <Pine.LNX.4.63.0511031350560.11307@kota.mmoliver.org>,
moliver@mmoliver.org ("Miles D. Oliver") writes:
>
>
> On Thu, 3 Nov 2005, Walt@Walt-n-Ingrid.Com wrote:
>
> >
> > That sounds right to me, it's been a long time since I worked at the RV/Cap
> > place but I recall the 4,5,6 & 7 pin wire configurations like this.
> >
> > 4 Way Systems are typically wired
> >
> > Green = Right Turn & Brake
> > Yellow = Left Turn & Brake
> > Brown = Tail/Running Lights
> > White = Common Ground
> >
> > 5 Way (same as 4 Way plus)
> > Black or Red or Blue (on various flat 5 way I've seen all three colors used
on
> > the 5th pin) = auxiliary power wire (could be used for brakes, however
brakes
> > are typically wired blue though I have see black used)
>
> Yes, In my case it is the black wire that is used for the electric
> brakes.

Yep, that would make sense. I wanted to add (though not actually in your case)
typically I saw 5 way connectors on smaller trailers with surge brakes and the
5th wire was wired into the reverse circuit to disable the brakes when backing
up. It's not a commonly used connector, typically it's 4, 6 or 7 way
connectors, with 4 & 7 being the most common.

Walt



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