New Holland 3059: ECU Main Power Relay Failed Closed

The ECU Main Power Relay has failed in a closed position, which may cause unintended power flow to the ECU. This condition is indicated by an amber warning light.

1. 1

   ECU Main Power Relay

2. 2

   Power circuit connected to the ECU

3. 3

   Control circuit for the ECU Main Power Relay

1. 1

   Inspect

   Inspect the ECU Main Power Relay for physical damage or signs of overheating.

2. 2

   Test

   Test the ECU Main Power Relay to confirm it is stuck in a closed position.

3. 3

   Replace

   Replace the ECU Main Power Relay if it is found to be failed in a closed position.