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Matching 4-Way Wiring Circuit on Trailer Wiring Red, White, Green, Brown


Ist?there a problem with my wiring loom , or is there awsy to wire in to trailor plug with just 4 colors, red,green,white brown. No yellow. Can u help pleaseok


Expert Reply:

Your trailer has RV standard wiring colors which isn't super common for a 4-way setup but basically what you have is:

Red is left turn/stop
White is ground
Brown is right turn/stop
Green is running light

Normally 4-way wiring is the following:

Yellow is left turn/stop
Green is right turn/stop
White is ground
Brown is running lights

So you'd just need to match all of the circuits up accordingly.

expert reply by:
Jameson C

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