John Deere 06: RCU 12 VDC Switched Power Not Activating

The RCU 12 VDC switched power, identified by cc# 822, is not turning on despite being commanded to do so by the control unit RCU.

1. 1

   The command signal from the control unit RCU to RCU 12 VDC switched power

2. 2

   The status of RCU 12 VDC switched power when commanded ON

3. 3

   The connection or wiring between the control unit RCU and RCU 12 VDC switched power

1. 1

   Verify the command signal from the control unit RCU to RCU 12 VDC switched power.

   Use diagnostic tools to confirm that the control unit RCU is sending the correct command to activate RCU 12 VDC switched power.

2. 2

   Check the status of RCU 12 VDC switched power.

   Confirm whether RCU 12 VDC switched power is receiving the command and if it is functioning as expected.

3. 3

   Inspect the wiring and connections between the control unit RCU and RCU 12 VDC switched power.

   Look for any loose, damaged, or disconnected wiring that may be preventing the command from reaching RCU 12 VDC switched power.