[Deper10]

It is the merge solenoid and that means you have your merge switch on on your dash so your switch is either in the up or down position not in the middle. I'm on the way to church so I'm sure others can fill in the rest of the blanks. There are lots of post on the Forum explaining how the merge works

Tom

Tom, Thanks for the advice. The switch was in the down position. I put it in center position and all seems well. I have never used it nor was I told exactly how to use it. Last week I had it in for the 365 front tires and wheels, all fluids and filters changed, air dryer filter, adjust ride height and allignmment, It was at the shop for over four days and was left unplugged. I suspect that one of the techs might have hit it as another switch in the front passenger side compartment for the generator had also been turned to off position. I will keep an eye on it. 
Can anyone tell me exactly how to use the switch, what does it do when up or down?
Thanks

Dario

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It should not be HOT.  Replace the switch, high resistance is causing the heat

Hi Richard, looks like Tom got it right, the dash switch was not in the middle. How is your trip going? Did the 365 upgrade, big improvement.

Thanks
Dario