Hello all,
For those of you that need to wire up a trailer or have to
occasionally borrow trailers and look at the wiring plugs with disdain (I mean
face it they don't make sense, ground is white, +12vdc is black, etc),
this is for you.
Plug Types/Application7 Way -
RV Trailers, Horse and Utility Trailers
6 Way - Horse, Stock and
Utility
4 Way - Utility Trailers
Columns are: Color, Function,
Mark on the plug.
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
Six wire trailer plugs:Horse,
stock or utility trailers:White = Ground - GD
Yellow =
Left turn/Brake -LT
Green = Right turn Brake -RT
Brown = Tail
and clearance lights - TM
Red or Black (not both) =
Battery,
aux power - A
Blue = Electric Brakes - S
Recreational
Vehicle: (color, use, plug mark)White = Ground - GD
Brown
= Right turn Brake - RT
Green = Tail and clearance lights -TM
Black
= Battery, aux power - A
Red = Left turn/Brake - LT
Blue =
Electric Brakes - S
Four wire plugs:White =
Ground
Yellow = Left turn/Brake
Green = Right turn Brake
Brown
= Tail and clearance lights
Ground should be 10ga.
Others
14 ga
A test light and a 12VDC power source can be handy for
trouble shooting.
Best regards
Mike
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