New Holland 19742: ECM/PCM Power Relay Control Circuit Open - Main Relay Shut Off Too Early

The ECM/PCM Power Relay Control Circuit is open, causing the Main Relay to shut off too early. This issue affects the power supply to the engine control module, potentially leading to engine shutdown or failure to start.

1. 1

   ECM/PCM Power Relay Control Circuit

2. 2

   Main Relay

3. 3

   Wiring connections related to the relay circuit

1. 1

   Inspect

   Inspect the ECM/PCM Power Relay Control Circuit for any visible damage, breaks, or loose connections.

2. 2

   Test

   Test the Main Relay to ensure it is functioning properly and not shutting off prematurely.

3. 3

   Check

   Check the wiring connections related to the relay circuit for proper continuity and secure connections.