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Sounds like your dial/switch controal is shot or faulty. Try and replace that than see what happens. Just happened to me recently with the temp controal dial.
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∙ 15y ago
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Why does the blower switch work on all but high for 1997 GMC Safari?
You need to replace the blower motor resistor. I've been there done that.
What is a heater blower resistor?
Heater blower resistor is what controls the low medium high speeds...
1992 explorer heater blower high speed only?
The most common cause of the heater blower being on high only is the blower resister failing. The second most common problem is the blower switch going bad.
Why does your heater blower only run on high?
The blower motor speed resistor is burned out.
Why does your blower motor only run on high?
the heater resistor needs to be replaced it is mounted in the heater box next to the blower motor
Where is the heater relay switch in 1997 Chevy blazer?
The high speed relay for the blower motor would be found under the hood, on the passenger side of the firewall, close to the blower motor speed resistor.
What does the heater resistor blower effect on a 99 mercury sable?
A bad heater blower motor resistor would effect one or more blower speeds other than high.
Why does heater blower on 1992 s10 run on high only?
Probably the blower motor resistor is shot.
Why will the heater blower work on the 2 high speeds and not the 2 low speeds on a 1997 Chevrolet Cavalier and what part needs replaced and where is it located?
you need a new rheostat !
Why does your heater only work on high in a 1997 dodge cargo van and not on low?
More likely than not, the Blower Motor Resistor Pack is defective and needs replacing.
Why does heater fan work only on high on your 2001 Chevy cavalier?
try replaceing the switch that controls the low to high for heater It's gonna be the blower motor resistor (near the blower motor).
Why does the heater blower only work on high?
from what i have read it is the blower motor resistor it goes bad and only lets the fan run on high google blower motor resistor and read on
