2013 Itasca Ellipse on our second replacement of the transfer switch. The first one had melted wires on the output from the main relay and this second one had melted wires from the AC input. It mean...
If your Transfer switch has the standard screw in wire lugs. I always tighten the wires with a screwdriver, wait 10 minutes, then retighten. This allows the copper strands to settle. You will be amazed how much more you can tighten the 2nd time. Doug