New Holland 120 – ATC: Blower Speed Select Potentiometer Circuit Issue

The blower speed select potentiometer is experiencing an open or shorted condition to power, which may affect the proper operation of the blower speed control system.

1. 1

   Blower speed select potentiometer

2. 2

   Wiring connected to the blower speed select potentiometer

3. 3

   Power supply to the blower speed select potentiometer

1. 1

   Inspect

   Inspect the blower speed select potentiometer for physical damage or signs of overheating.

2. 2

   Test

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

3. 3

   Check

   Check the wiring and connections to the blower speed select potentiometer for any breaks, corrosion, or poor contact.

4. 4

   Verify

   Verify the power supply to the blower speed select potentiometer is stable and within specifications.