Trailer/Brake wiring
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Freshman User
Joined: Aug 2002
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From: Yakima
Trailer/Brake wiring
Looking for a little help. I have an older 19' travel trailer pulling with 73 camper special. Six pin round connector. I have from the wiring harness accounted for and hooked up all the wires from the stock harness on the truck except one. I have brake light, running lights, l/r turn signals and one wire left that is a hot 12V positive. I am guessing that if it was tied to the positive side of the battery on the trailer that it would be the one to charge the battery while traveling. However, I thought that was done thru the connector with a wire .Second part of this is the electric brake. I have done one before and I know about the cold side of the brake switch and the battery connection and the ground, but again where does the final wire that activates the brakes for the trailer go. I know this has to go on the connector, but what am I missing.
Thanks for any help.
New User
Joined: Jan 2008
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Trailer/Brake wiring
I have this Trailer Plug Schematic on my web site for you to look at.
http://www.clubfte.com/users/mil1ion/Trailerwiring.jpg
http://www.clubfte.com/users/mil1ion/Trailerwiring.jpg
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Joined: Jan 2001
Posts: 56,984
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From: Virginia
Trailer/Brake wiring
I don't know if I understand your question fully. If the trailer plug is already wired, then follow that. If not, then I wonder if the plug is marked in the center like mine was. Failing that, pick your own wiring order I guess. One thing I am confused about is you mentioned a "brake light" wire. The brake lights are incorporated in the l/r turnsignal wires, so the only brake wire you need is for the electric brakes.
L signal/brake
R signal/brake
taillights
electric brakes
ground
aux 12 power.
The above adds up to six, so you should have enough pins to run all the wires through the plug.
L signal/brake
R signal/brake
taillights
electric brakes
ground
aux 12 power.
The above adds up to six, so you should have enough pins to run all the wires through the plug.
