Troubleshoot Trailer Wiring by Color CodeExplore further
2019-5-7u2002·u2002These four colored wires make up your trailer's wiring system. Each connects to a different function: Featured Video. Brown wire to the tail or parking lights. Green wire to right turn signal/brake light. Yellow wire to the left turn signal/brake light. White wire to common or chassis ground. When making your repairs or hooking up your trailer ...
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