Trailer wiring, Typical trailer wiring – IPA Tools 9005A Super MUTT Head User Manual
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22
TYPICAL TRAILER WIRING
Note: Not all trailers/vehicles are wired to this standard. The use of an electrical
circuit tester is necessary to ensure proper match of vehicle’s wiring to trailer’s
wiring. On the 6-way plugs, the 12V wire and electric brake wire may be reversed
on some trailers (particularly horse trailers).
Trailer Wiring
GROUND
(GD)
12 VOLT
(12V)
TAIL
LIGHTS
(TM)
BACK-UP
LIGHTS (BU)
ELECTRIC BRAKE
(EB)
ELECTRIC
BRAKES
(EB)
ELECTRIC
BRAKES
(EB)
KEYWAY
BU
GN
Y
BR
WH
LEFT
TURN
(LT)
RIGHT
TURN
(RT)
RIGHT
TURN
(RT)
LEFT
TURN
(LT)
GROUND
GROUND
GROUND
(GD)
12 VOLT
(12V)
TAIL/TAG
BACK-UP
LIGHTS (BU)
ELECTRIC BRAKE
(EB)
ELECTRIC
BRAKES
(EB)
LEFT
TURN
LEFT
TURN
(LT)
CLEARANCE
AUX
(ABS)
STOP/BRAKE
RIGHT
TURN
BACK -UP
LIGHTS
RIGHT
TURN &
BRAKES
LEFT
TURN &
BRAKE
TAIL LIGHTS
GROUND
(RT)
LEFT
TURN
(LT)
RIGHT
TURN
(RT)
GROUND
GROUND
(GD)
12 VOLT
(12V)
TAIL
LIGHTS
(TM)
BACK-UP
LIGHTS (BU)
ELECTRIC BRAKE
(EB)
ELECTRIC
BRAKES
(EB)
ELECTRIC
BRAKES
(EB)
KEYWAY
BU
GN
Y
BR
WH
LEFT
TURN
(LT)
RIGHT
TURN
(RT)
RIGHT
TURN
(RT)
LEFT
TURN
(LT)
GROUND
GROUND
GROUND
(GD)
12 VOLT
(12V)
TAIL/TAG
BACK-UP
LIGHTS (BU)
ELECTRIC BRAKE
(EB)
ELECTRIC
BRAKES
(EB)
KEYWAY
BU
GN
Y
BR
WH
LEFT
TURN
(LT)
CLEARANCE
AUX
(ABS)
STOP/BRAKE
12V
RIGHT
TURN
(RT)
LEFT
TURN
(LT)
RIGHT
TURN
(RT)
GROUND
TRAILER SIDE 7-WAY ROUND PIN
SOCKET CONFIGURATION
6-WAY ROUND PIN PLUG
ADAPTER END
7-WAY FLAT PIN PLUG
VEHICLE END
4/5 PIN PLUG
ADAPTER END