New Holland 120 – New Holland Automatic Temperature Control Atc: Blower Speed Selector Potentiometer Fault

The blower speed selector potentiometer is either open or shorted to power, which can cause improper operation of the blower speed control system.

1. 1

   Blower speed selector potentiometer

2. 2

   Wiring connected to the blower speed selector potentiometer

1. 1

   Inspect

   Inspect the blower speed selector potentiometer for visible damage or wear.

2. 2

   Test

   Test the blower speed selector potentiometer for continuity and resistance using a multimeter.

3. 3

   Replace

   If the blower speed selector potentiometer is faulty, replace it with a compatible component.