Blower Motor Relay: Description and Operation

The blower motor relay controls the power supply to the heater blower motor switch.
^ The A/C-heater function selector switch energizes the blower motor relay in all function selector positions except OFF.
^ Energizing the blower motor relay supplies power to the heater blower motor switch and allows selection of the four blower motor speeds.
^ The blower motor relay is located in the engine compartment power distribution box.