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Q: Forced air fan (heating/cooling) runs only in hi-speed position. on 2001 Dodge Ram Van 3500

Noticed issue recently.Both front and rear fans (heating/cooling)behave the same
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It'd be unusual to have this problem in both heating systems at one time, but it sure sounds like faulty blower resistors or switches to me.
An auto electric shop or a Dodge specialist may be able to help you.
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