7-pin connector

5-pin connector

5 and 7-pin connector Type 12N (ISO 1724)
PinColorFunctionCable size
1YellowLeft Indicator1.5 mm2
2Blue+12V from battery or Rear fog light1.5 mm2
3WhiteEarth (chassis)2.5 mm2
4GreenRight Indicator1.5 mm2
5BrownRight Side lights1.5 mm2
6RedBrake lights1.5 mm2
7BlackLeft Side lights1.5 mm2

7-pin connector Type 12S (ISO 3732)
PinColorFunctionCable size
1YellowReversing lamps1.5 mm2
2BlueSpare2.5 mm2
3WhiteCommon ground except for pin 6 2.5 mm2
4Green+12V permanent2.5 mm2
5BrownSpare1.5 mm2
6Red+12V via ignition lock2.5 mm2
7BlackGround for pin 62.5 mm2



7-pin connector for ABS/EBS (ISO 7638-2)

PinColorFunctionCable size
1Red+12V (permanent)4 mm2
2Black+12V (ignition key)1.5 mm2
3YellowEarth (for pin 2)1.5 mm2
4BrownEarth (for pin 1)4 mm2
5WhiteABS Fault indication1.5 mm2
6Green-WhiteCAN H, For EBS and ABS1.5 mm2
7White-BrownCAN L, For EBS and ABS1.5 mm2



13-pin trailer connector (ISO 11446)

PinColorFunctionCable size
1YellowLeft Indicator1.5 mm2
2BlueRear fog light1.5 mm2
3WhiteEarth (pin 1-8)2.5 mm2
4GreenRight Indicator1.5 mm2
5BrownRight Side lights1.5 mm2
6RedBrake lights1.5 mm2
7BlackLeft Side lights1.5 mm2
8PinkReversing Light1.5 mm2
9Orange+12V (permanent)2.5 mm2
10Grey or White-Orange+12V (ignition key)2.5 mm2
11White-Black or GreenEarth (pin 10)2.5 mm2
12Light Grey or PurpleTrailer presence1.5 mm2
13White-RedEarth (pin 9)2.5 mm2

Pin 10, 11, 12 are not connected in 10 pole cable.


US trailer connectors


4-pin flat

4-pin round

PinColorFunctionCable size
1WhiteEarth (chassis)1.5 mm2
2BrownTail lamps, clearance lamps/outline marker lamps and registration plate lamp1 mm2
3YellowLeft Indicator, Stop lamps1 mm2
4GreenRight Indicator, Stop lamps1 mm2


5-pin round

6-pin round

7-pin blade

PinColorFunctionCable size
1WhiteEarth (chassis)4 mm2
2YellowLeft Indicator, Stop lamps1.5 mm2
3GreenRight Indicator, Stop lamps1.5 mm2
4BlueElectric brake control4 mm2
5BrownTail lamps, clearance lamps/outline marker lamps and registration plate lamp1.5 mm2
6PurpleReversing lamps, control current to block surge brakes when reversing1.5 mm2
7Black+12V via ignition lock4 mm2


AUS trailer connector


7-pin flat AUS connector

PinColorFunctionCable size
1YellowLeft Indicator1.5 mm2
2BlackReversing lamps, control current to block surge brakes when reversing.1.5 mm2
3WhiteEarth (chassis)2.5 mm2
4GreenRight Indicator1.5 mm2
5BlueElectric brake control1.5 mm2
6RedStop lamps1.5 mm2
7BrownTail lamps, clearance lamps/outline marker lamps and registration plate lamp1.5 mm2