Join Date: May 2016
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I have a 2000 pulling a 5'th wheel with a 7 way plug, the running lights work fine with the key off, but when i turn it to the forward position, the 20 amp fuse under the hood blows. I put a 30 amp fuse in for testing and the fuse does not blow, and i get the same result, even after i start the engine, no running lights on the RV until after i turn the key off, then the running lights come back on. the 30 amp fuse if scorching hot, and if the keys are in the off position, the fuse does not seem to get hot.
It seems like the ignition switch in the forward position is causing a short of some sort.
Did you ever get a solution to your problem?