SOURCE: Trailer wiring problem. Tow vehicle is a 2008
Most likely the brown wire from the trailer connector is connected to a constant battery voltage source, and it should be connected to the vehicle running light circuit, however someone might have wired the trailer connector up that way on purpose so that the trailer does not draw power from the vehicle running lights and possibly damage the vehicle running light circuit. (Dodge/Chrysler vehicles do have delicate lighting systems) Here are some images to help assist you, and the 4 way connector is the same as the 5 way connector just without the blue wire for the trailer brakes.
SOURCE: 2001 Dodge Ram 2500, no running lights on trailer
The truck is protecting itself from the load impose by the trailer.. Chk the plug on the truck for wire gauge size. Turn any electrical loads off on the trailer, any and all. If fuse still blows then the fuse is either underated or the trailer has a dead short. In fact turn trail main power panel of. All lights work you say. So ck the inverter for defect byturning off the inverter on one of the trailers.
SOURCE: No left turn signal or brake light on trailer
I had the same problem on 06 ram, the problem is one of the controll modules under the fuse panel under the hood on the drivers side. My trailer mechanic told me this was a common problem and dodge will only charge about 700 dollars to replace it. he solved my problem by installing a converter on the wires to the tail lights of the truck then running down to the trailer plug. it was most likely caused by a short in the trailer and dodge in their infinate wisdom failed to put a fuse between the trailer and control module. and by the way even though this is a manufacturing defect they will not warranty the module. hope this helps.
SOURCE: No trailer right turn signal or brake light
Hey Boon,
The pinouts for a 7-way plug are as follows:
Seven wire Trailer plugs:
Horse, stock or utility trailers:
White = Ground - 1
Blue = Electric Brakes - 2
Brown = Tail and clearance lights - 3
Black = Battery, aux power - 4
Yellow = Left turn/Brake - 5
Green = Right turn Brake - 6
Orange or Purple (not both) = Auxilliary or Reverse - 7
Recreational Vehicle:
White = Ground - 1
Blue = Electric Brakes - 2
Green = Tail and clearance lights - 3
Black = Battery, aux power - 4
Red = Left turn/Brake - 5
Brown = Right turn Brake - 6
Yellow = Auxilliary or Reverse - 7
In both cases 4 is battery and 7 is reverse, aux or not used.
Double check your wiring using these lists as a reference.
Click here for my post on Trailer wiring
This should get us closer to the answer.
Best regards,
Mike
SOURCE: durango trailer wiring left turn signal doesn't
I lost all of my trailer lights. Turns out the wires in the harness were corroded out by the gas tank. Dealer said it was a common problem
4-Way
5-Way
6-Way
7-Way
Green
Yellow
Brown
White
Red
Blue
Purple
Right Turn & Brake
Left Turn & Brake
Tail Lights
Ground
Backup Lights
Electric Brakes
Auxiliary Power
Green- Right Turn and Brake
Yellow- Left Turn and Brake
Brown- Tail Lights
White- Ground
Red- Reverse (Back Up) Lights
Blue- Electric Brakes
Purple- Auxiliary Power
It sounds like your green and yello wires are shorted together somewhere along the length of the harness. I would check the wires on the trailer first. Easier yet, if you have another trailer to connec or access to another to use for testing, connect to it and see if the problem repeats; if it does the trouble is in the vehicle's wiring.
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