Sounds to me like a loose connection down on the unit. If you are in Hartford City, you are close to the territory of a Hydro Hot master, Darin Hathaway. At this time of year he's headquartered around Elkhart. Call him and arrange to drive the coach to where he can meet you; he's mobile with all the tools and most of the parts he needs. Wonderful, capable, pleasant guy. Phone is 574-612-4826.
Doug, Robyn, Ross & Ryan
06 TS Select 45
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