my 2000 dodge ram the heater blower motor will only run on the high setting why? on 2000 Dodge Ram 1500

I recently purchased this 2000 Dodge Ram 1500 V8 Magnum. This truck has become a headache 4 me the heater core was bad. the dashboard crumbled when I removed it to replace the heater core then 3 out of 5 lug-nuts and studs just broke off not a clue why. Now the heater blower fan is my latest project. It will only run at the highest setting. This is my first D0dge vehicle ever (never owned a Dodge truck ,car ,ect.any suggetiouns would be greatly appreciated

by in Tulsa, OK on February 17, 2013
3 answers 1 comment
ANSWER by on February 17, 2013
Blower motor resistor on passenger side firewall needs to be replaced. Two screws and a wire connector, five minuet job!
COMMENT by on February 17, 2013
I agree with wetry
ANSWER by on February 17, 2013
Blower motor resistor needs replaced.
ANSWER by on February 18, 2013
blower motor resistor is bad.should be on outside of heater box under glove compartment

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