New Holland 3764 – ENGINE: Main Relay Stuck Closed

The main relay is in a closed state when it should not be. This condition can lead to unintended operation of the engine or electrical system components.

1. 1

   Main relay

2. 2

   Electrical circuit associated with the main relay

1. 1

   Inspect

   Inspect the main relay for physical damage or signs of overheating.

2. 2

   Test

   Test the main relay to confirm it is stuck in the closed position.

3. 3

   Replace

   If the main relay is confirmed to be stuck closed, replace it with a compatible unit.