RV Wiring made easy!
RV wiring is not as hard as you think!
General RV Wiring
Trouble Shooting Guide
This guide is not meant to be a full training manual on all aspects of rv trailer wiring, rather it is designed
to help the average do-it-yourselfer find and repair the most common wiring problems. If you are not comfortable
using tools or if the problem is found to be in the wiring harness of the tow vehicle, it is recommended that you
seek the help of a professional.
Most problems with wiring originates in the tow vehicle socket and/or the trailer plug. With all the rain water,
road salt, and grime thrown up by the tires, these components are subjected to the worst conditions for an
First, check the inside connections of the tow vehicle socket for corrosion, broken wires or other obvious
Then inspect the trailer plug for the same conditions. Any deterioration of the terminals or the wires
themselves should be repaired now. It is often more economical (and less stressful) to replace the entire
plug/socket and make any needed repairs to the wires at this point. Often the problem is solved before delving
deeper into the wiring maze.
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