Blower Motor: Description and Operation
Blower Motor Resistor Block:
The heater control blower speed selector switch, in conjunction with a resistor block supplies the blower motor with varied voltage (low and mid- die speeds) or battery voltage (high speed).
CAUTION: Stay clear of the blower motor and resistor block (Hot). Do not operate the blower motor with the resistor block removed from the heater-A/C housing.