Trailer Plug Wiring Colors
Blue electric brakes or hydraulic reverse disable see blue wire notes below in the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest.
Trailer plug wiring colors. By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights. The red and blue wire can be used for brake control or auxiliary. Brown tail lights running lights. Trailers longer than 15 feet and heavier than 1 500 lbs must have a brake system that means another circuit for hydraulic brakes.
Green right turn brake remember green has an r in it. Brown wire to the tail or parking lights. This vehicle is designed not just to travel 1 location to another but also to carry heavy loads. Other colors vary in function depending on the configuration.
The wires going into the plug are. The colors for wiring a 7 way connector are as follows with the 4 colors of the 4 way connector remaining the same. Use on a small motorcycle trailer snowmobile trailer or utility trailer. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above.
Yellow wire to the left turn signal brake light. Can also be used as custom wiring on trailers with 3 light wire systems. Yellow left turn brake remember yellow has an l in it. Yellow left turn lights brakes.
Trailer wiring color code explanation. Trailer wiring colors diagrams note. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. White wire to common or chassis ground.
This article will be discussing trailer wiring color diagram. White ground wire. The ground wire color on all trailer plug types is always white. Yellow red green and brown.
Green wire to right turn signal brake light. The 7 way plug has no yellow position. Trailer wiring color diagram 7 way trailer wiring color diagram trailer light color wiring diagram trailer plug wiring color diagram people today comprehend that trailer is a vehicle comprised of very complicated mechanics. Trailer electrical connectors come in a variety of shapes and sizes.