Trailer Tail Light Wiring Color Code. Thir is standard color code for a trailer light 7wire. Blue brake output.
Brown running lights. Trailer wiring color code explanation. Green right turn brake.
7 pin connectors are needed because some trailers need extra connections due to the fact that they have multiple circuits.
Manufacturers have changed the wire colors on vehicles. Blue reverse lights. Green right turn brake remember green has an r in it. There are pins for electric trailer brakes auxiliary power and reverse lights.
