Hello everyone. On my 2012 1500 express my third brake light stopped working. I checked it and the brake light bulb was blown. I replaced it and still have nothing. No cargo lights either. All connections are clean and water free. Wiring looks good. Looked at the wiring diagram and seems to go...
I ran new LED's under the bedrail, so that my bed is lit when the tonneau cover is on. The wire runs up under the cab, and into the truck through the wire harness by the battery. I'm trying to find out where the cargo light connects in. The cargo light itself is a white wire with a fat red...
I replaced the stock cargo lights with new LEDs, big difference. As for 3rd brake lights, not a big improvement, but it looks nice
Before - The stock cargo lights
After - New LED lights
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