Hey cjc
On my 03 I had 2 grounds break loose. The first one was off of the entry step and the other was near the back of the coach.
I would creeper the whole under side of my coach every month or so and spotted it pretty quickly. Even so the entry handle screws corroded so quickly that I did need to replace them.
I did replace those grounds with some high quality SS screws. Never did have a issue after that.
Anytime you have dissimilar metals and some stray current you can start electrolysis. In my case I ran my rig in the winter and the street salt definitely expedited the process on those entry screws.
It is so critical to crawl all over these rigs inspecting every potential area for problems.
Bill
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2012 Showhauler 28'6" Motorhome on a Columbia w/ 450 Mercedes.
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