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probably the blower motor resistor
Under the hood, on the passenger side of firewall, near the blower motor.
Under the hood, on the firewall, passenger side, close to the blower motor. If the blower motor resistor is burned out, you should still have the high speed function.
The blower resistor gets overheated and burns out usually because the blower motor is failing also.
You didn't mention what year S10 Blazer you have but, the blower motor speed resistor can be found under the hood, on the passenger side of the firewall, close to the blower motor.
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.
take it to a shop and have them do it If it's the same as a pickup, take out the glove box and the resistor should be on top of the heater box. Not much too it.
Should be behind the glove box. The blower motor speed resistor is located under the hood, on the firewall, passenger side, close to the blower motor.
Ain't no fixin it, you have to replace it with a new one.
The rear blower motor resistor location for a 2003 Chevy Trailblazer Ext LT is beneath the passenger side of the dash.
If you are referring to the blower motor resistor, it is located behind the glove box and in the heater case.
Under the hood, passengers side firewall, close to the blower motor.