Quote:
Originally Posted by Larry
I just checked my setup. The running lights wire is to small to power the trailer running lights. What I think it is for is to power instrument lights in the brake controller. I have never seen a controller that lights up at night, but the wire is probably there just in case you have that kind of controller. I just put tape over the end so it can't possibly short out and then rolled it up. If you put extra gauges in your truck, you could use that wire to power the backlight in the gauges.
The ground wire goes to a ground on the controller. The other end of that wire is already connected to a chassis ground.
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Your the man Larry, thanks a lot.
