my heater only works on low or med do I need a new blower?

Asked by ronnief76 Feb 17, 2015 at 07:43 AM about the 2000 Chevrolet S-10

Question type: Maintenance & Repair

I have a 2000 s10 and the heater only works on 2 speeds low and med. Do I need to
replace the blower?

6 Answers
103,825

Reelin68 answered 9 years ago

No. You need replace the blower motor resistor. https://www.youtube.com/watch?v=Gz_88VvQVGU

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Tom answered 9 years ago

No ... The motor has a "Resistor" for every speed. Resistors control how fast the motor will go but over a long period of time they burn out ... usually one at a time. Yours are probably inside the duct close to the motor ( Google "S 10 blower resistor location" ) it will show you where they are at, Good luck

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DeBo13 answered 9 years ago

You might want to check the switch first... and if you are getting heat from the blower on low and medium speeds, I would just go with that for now. After the truck warms up, you will most likely lower the heat anyway! Let us know what you decide, ok?

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GuruCPRG3 answered 5 years ago

I got a 1998 s10 heater will work in town when i get out on hiway it blows cold air.I cleaned heater core and new radiator new cap.

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Lehsr answered 4 years ago

There is a box above blower motor resistor it's a relay more than likely thats what's wrong

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