Quote:
Originally Posted by Gaz64
Also consider the total wattage of your gauge illumination bulbs.
The rheostat might not be up to the task.
It shouldn't get hot whether you are using the dimmer or not.
Are you using the dimmer?
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Actually, the dimmer works by running the current through resistance wiring. By "definition" there will be heat generated, possibly the equivalent sum of all the lights in the circuit.