John Deere 6: Alternator Field Not Activated as Commanded

The alternator field is not turning on despite being commanded to do so by the control unit RCU. This indicates a failure in the activation process of the alternator field.

1. 1

   The command signal from the control unit RCU to the alternator field

2. 2

   The wiring or connection between the control unit RCU and the alternator field

3. 3

   The alternator field itself for operational failure

1. 1

   Verify the command signal from the control unit RCU to the alternator field

   Use diagnostic tools to confirm whether the control unit RCU is sending the correct activation signal to the alternator field.

2. 2

   Inspect the wiring and connections

   Check the wiring and connections between the control unit RCU and the alternator field for damage, corrosion, or disconnection.

3. 3

   Test the alternator field

   Perform a functional test on the alternator field to determine if it is operating correctly.