Four Pin Trailer Plug Diagram. Trailer Plug Wiring Diagram - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Cut the four-pin plug off of the trailer harness.
Various connectors are available from four to seven pins that. Trailer wiring is very important to towing safety. Verify the harness color codes at each tail light.
The good news is that the standard connector for trailers uses four pins, plus the ground.
Dimension in inches, do not scale drawing. * Refer to the part diagram in the attachment's operator's manual for specific wire color.
Verify the harness color codes at each tail light. Cut the four-pin plug off of the trailer harness. Connectors are used between the two to allow disengagement when not towing.
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