Trailer Connector Wiring Diagrams

Small 6 Pin Round

Large 5 Pin Round

7 Pin Flat

12 Pin Flat

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Wiring Diagrams brochure

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Small 7 Pin Round

Large 7 Pin Round

Heavy Duty 7 Pin Round

13 Pole Tractor Trailer Connectors

Cole Hersee 13 pole connectors assist state-of-the-art systems. Ground terminal accepts up to #8 gauge wire, seven pole terminals up to #10 gauge and additional six pole connections up to #14 gauge. The six small diameter terminals carry up to 25 amps and maintain multiple contact points for: trailer ABS, monitoring trailer temperature and tank overfill, work lamps, multiplexing, trailer level loading, on-board weighing, rear and blind spot vision, and satellite trailer tracking.
Wiring codes embossed on socket. Surpasses SAE J560b performance standards. Conforms to this standard for interchangeability between 7 pole and 13 pole connectors. Cable cross section below.