AutoZone Product & HowTo Info | R | Blower/Heater Switch

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    Blower/Heater Switch

    Blower/Heater Switch Operation:

    This electrical switch, located in a fuse or breaker protected circuit, controls the rpm of the blower motor through a series of control relays and a rheostat. Sometimes the A/C compressor clutch is energized by this switch.

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