Tag: Symptoms of a bad blend door

Temperature Blend Door Actuator Motor

The blend door constantly moves back and forth.

A faulty feedback device can cause the blend air door to hunt for the desired position.

Blend door actuator diagrams.

The feedback device is typically a potentiometer that uses three wires. One wire is the input voltage from the controller; a second wire is the return ground from the controller; the third wire is the signal wire to the controller.

Do you need assistance with the blend door actuator in your car ?

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