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If your talking about your blower motor only working on high its usually your blower motor resistor that has stopped working properly. (The blower motor resistor is an electrical component which limits the flow of electricity to your blower motor, allowing it to spin/blow at different speeds). It is easy to replace on some vehicles that have easy access to them because all you have to undo is usually two screws/bolts and one wiring connector.
What else can I help you with?
Why would the heater in a 2002 Grand Prix only work on high?
Defective heater resistor pack.
Why does heater in 1996 Dodge Grand Caravan heater only work on high?
Maybe because your climate control system needs to be repaired....
Why does my heater fan only work on a high speed and how do I fix it?
try replacing the blower motor resistor
Why does my car heater only work when the rpms are high?
The first thing that you need to check will be the coolant level..................
Why does the heater in your 1995 town car only work on high?
The blower motor speed resistor is burned out.
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 your 1992 f150 heater motor only work on high?
Most likely and bad blower motor resistor.
Why would the fan controls in a 1986 Pontiac Sunfire only work on high?
Defective Heater Resistor Pack.
Why does the heater fan only work on high on a 2001 safari?
Check the low speed relay and the resistor at the motor
Why does heater fan on 95 silverado only work on high?
You most like have a bad blower motor resister.......
1996 Nissan altima heater ac switch will only work on the high 4 won't work on 1 2 3 changed switch still the same thanks for answering?
Heater Blower Resistor
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
