Mark:
First, you need to take the car to a Dodge dealer to have any recall repairs taken care of. As far as the overheating, yes it could be a thermostat. It could also be caused by a partially plugged radiator or an ignition timing problem. As far as the gauges and ringer, it sounds like there is either a ground problem or there could be a problem with the body control module (BCM). It is responsible for many of the circuits you have mentioned. Have them check that. As far as overheating, have them check for circulation in the radiator.
Let me know what you find.
Joe
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Thursday, March 12th, 2009 AT 3:17 PM