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Toyota
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1999
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4 Runner Limited 4WD V6-3.4L (5VZ-FE)
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - HVAC
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Blower Motor Relay
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Description and Operation
Blower Motor Relay: Description and Operation
Heater Main Relay
The heater main relay is switched on by signals from the A/C control assembly. It supplies power to the blower motor.