Heater adjustment

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12-12-2018, 10:49 PM

ixoyepointman

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Heater adjustment

I have a 02 dodge 3500. Heater adjustment only goes 100% cold or !00% hot. It will not adjust to Medium anymore. Is the rheostat gone out?

Last edited by ixoyepointman; 12-12-2018 at 10:56 PM.

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12-13-2018, 09:57 AM

big guy

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blower motor control module/ resister should correct the problem

Edit...... after reading again maybe HVAC blend doors

Last edited by big guy; 12-13-2018 at 10:00 AM.

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