4 Prong Trailer Wiring. Yellow and green are for left and right turns and braking. Get it as soon as mon dec 21.
A 4 way plug connects your trailer and tow vehicle and provides the required running lights turn signals ground and brake lights. Installing the 4 pin trailer wires you must check the trailer manual to see if the wiring is correct but normally the white wire is called the ground wire while the brown wire is used for tail lights. First you could just remove the adapter if you wanted to and then plug in the 4 way like normal while stowing the adapter in the truck.
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The 4 pin trailer uses yellow brown green and white wires. You will still be able to use the trailer with the 4 way after installing the 4 to 5 way adapter 20036. Free shipping on orders over 25 shipped by amazon. 4 pin flat trailer wiring harness kit wishbone style sae j1128 rated 25 male 4 female 18 awg color coded wires 4 way flat 5 wire harness for utility boat trailer lights kits.
