05 C4500. My box lights and right side tail and front running lights go out when engine is running. Right when I shut the truck off, they work again. I changed the marker light fuse/relay and I thought it fixed it, but problem returned. Any ideas what to do next?
Who else enjoys getting out of the van to see one of your lights just hanging by the wires ? Looks like the plastic tab is cracking and not able to hold on anymore.
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