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 Dear Gary, While closing my slides I found the main (30A) fuse blown. I returned home and replaced the fuse and set up the coach and plugged into my AC source and opened up both of them. We had some bad weather coming through our area so I went out to close the slides and the main fuse was blown again! I replaced the fuse after opening the slides and it was okay. My book doesn't show an electrical diagram for the circuits and I am lost. Neither time could I smell any type of smell indicating bad wiring. --Randy Serice Dear Randy, There are a couple of things to check. Be sure you have a healthy battery in the system. A sulfated battery may have some internal arcing that could cause a heavy fuse like that to blow. Also, look for any resistance to the movement of either slide. Check the slide mechanism closely for corrosion, binding, rust, debris, etc. Any perceived drag on the movement could cause the fuse to blow. Lastly, check the battery wiring connections, especially on the ground side of that circuit. I’m not aware of any inherent deficiencies with your coach, but in some cases an undersized ground cable anywhere in the circuit could cause overheating which could also blow the fuse. You can eliminate the slide mechanism and the mechanics of the system by using a fresh battery connected directly to the slide circuit. If it works fine independent of the coach, the problem is in the wiring. If it still blows fuses, chances are there is a mechanical binding in the components somewhere.  Gary Bunzer, The RV Doctor,
is a well known RV author and the host of RV Roadtrips, the DIY Network
cable television show. He is one of the RV industry's most sought after
speakers and the host of the popular DVD titled Do It Yourself RV Care.Top of Page Get your FREE RV Travel Newsletter every week - sign up now.
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