Studebaker1965 Posted November 23, 2020 Share Posted November 23, 2020 Hi all, I am working on my 37 Dictator 5A. It has the factory installed under dash heater by the passenger side as was common for the era. It has a ceramic rheostat type switch to adjust the heater fan speed. All works as should, but the back of the switch gets hot to the touch. I don’t know if it’s due to original wiring, poor ground, or just the way it is. Was the switch designed to get hot (since it is ceramic)? I did run a redundant ground from the dash to the body. I have a all new wiring harness for the car but the heater wires are original because no one makes replacements. Should I replace the switch? Thanks. Nate Link to comment Share on other sites More sharing options...
nvonada Posted November 23, 2020 Share Posted November 23, 2020 They do get hot. Modern cars put the resistors in the airflow from the fan to help keep them cool. Link to comment Share on other sites More sharing options...
docwiese Posted March 17, 2021 Share Posted March 17, 2021 You have a 37 Dictator, would you by chance have some extra parts such as tail light Bezels and headlight rims? Link to comment Share on other sites More sharing options...
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