What Wire Color Codes and Functions Are Used for Pollak Connecter 12-705 and PK11720

Updated 05/25/2012 | Published 05/24/2012

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Pollak Heavy-Duty, 7-Pole, Round Pin Trailer Wiring Socket - Vehicle End

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Hook Probe Circuit Tester

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Question:

can u plz tell me the colors and where they wire up in the plug itself

asked by: Brian S

Expert Reply:

There is no industry standard wiring code. Pollak uses the following:

White - Ground Return
Black - Clearance, Side Marker, Identification
Yellow - Left Turn and Hazard Signal
Red - Stop Lamps and Anti-Lock Devices
Green - Right Turn and Hazard Signal
Brown - Tail, Rear Clearance, Marker and License-Plate Lamps
Blue - Auxiliary Circuit/ABS

We have a different combination of colors we use for specific functions which you can see in the wiring FAQ article that I have linked.

Finally, vehicle manufacturers can use any color they want so you have to test the wires by function using a circuit tester like # PTW2993 if needed, and then wire them to the connector in the correct places. I have included a picture from the FAQ that might also help.