All trailer connectors lost left turn and brake light. I followed the wiring to under the fuse box in the front of the truck. What is feeding that wire? the right side and marker lights work fine. I noticed that there seems to be two different systems truck and trailer package. The truck everything works fine it is just the left side of the factory trailer wiring.
2006 dodge ram 3500 diesel
Keywords:Electrical
Obtain a wiring diagram and follow the diagram using a multi-meter to isolate the problem area. Most likely a short or break in the wire. Possible corrosion.
See “Wiring Diagrams” tab to your left.
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