Your truck has both. the resistor is between the switch & blower.thje resistor controls the blower speed
No such part exists
replace the blower motor switch
Failed blower motor, resistor or switch.
The blower motor speed resistor is burned out.
Behind the glove box door.
It is usually a resistor on or near the switch in the dash.
Check the blower motors ground and power in the truck and the blower motors resister......
The control switch is probably faulty (or faulty wiring to the switch and/or motor). the resistor unit must be open cicuit that is mounted in the air duct near the blower usually
Blown fuse? Bad blower motor? Bad resistor pack at blower motor? Bad switch?
check the blower motor resistor located on fire wall behind washer fluid tank
Your ignition switch has failed. There is a good chance that the wiring plug for the switch has melted slightly due to a blower motor that is pulling too many amps. You will have to replace the switch, plug, and blower motor.