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Wiring New 4-Way Connector on Trailer with 5 Wires


what do color wires go to. i have on boat trailer green,white,yellow, brown with green, and brown with yellow. trying to hook to 4 flat connector


Expert Reply:

Going by the colors that you mentioned, it sounds like you have the typical set-up, green wire for right turn and brake, white wire for ground, yellow wire for left turn and brake, brown with green wire for right side running lights, and brown with yellow for left side running lights.

If you are using a standard 4-flat connector like part # 18004, you will more than likely be able to connect color for color for the green, white, and yellow wires. As for the brown with green and the brown with yellow, these will both need to be connected to the brown wire on the new connector.

Please keep in mind that trailer wiring colors can vary so wiring by function really is the best way.

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