Dummy's Guide to RV Wiring
Wiring the 4 pole utility trailer plug
| # | Wire Color | Function | Location - Truck | Location Trailer |
| 1 | White | Ground | uncovered pin | covered pin |
| 2 | Brown | Running Lights | 1st covered pin | 1st uncovered pin |
| 3 | Yellow | Left turn/brake light | 2nd covered pin | 2nd uncovered pin |
| 4 | Green | Right turn/brake light | 3rd covered pin | 3rd uncovered pin |
Click here for a printable wiring chart
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Page Three |
