7 Pole Trailer Wiring. I drew this crude diagram to help explain. A colour coded trailer plug wiring guide to help you require your plugs and sockets.
Trailer wiring is very important to towing safety. Note that although the colors and wire sizes. I know the blue wire goes straight back to the plug and the orange wire goes to one of the two aux post by the fuses.
I drew this crude diagram to help explain.
What I think has happend is the new plug has been wired in wrong.
Trailer-Vehicle Connector Wiring. by James W. Today on This Old Trailer we are going to replace the wiring on this trailer. Any vehicle towing a trailer requires trailer connector wiring to safely connect the taillights, turn signals, brake lights and other necessary electrical systems.
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