4 Wire Trailer Wiring Diagram Troubleshooting. Most of us aren t electricians but that doesn t mean wiring a trailer or replacing corroded wiring is beyond us. When your trailer lights aren t working your trailer is not working and you are losing valuable time and money.
All you have to do is link up the white wire to the negative and the colored wires to the positive. It may transfer power better hence the connector is suggested for higher level electric in the vehicle. Troubleshooting 4 and 5 way wiring installations.
All you have to do is link up the white wire to the negative and the colored wires to the positive.
Most of us aren t electricians but that doesn t mean wiring a trailer or replacing corroded wiring is beyond us. Start by cutting the white wire and attaching it to the trailer frame. A 4 way plug connects your trailer and tow vehicle and provides the required running lights turn signals ground and brake lights. When your trailer lights aren t working your trailer is not working and you are losing valuable time and money.