New Holland 19741 – DCU: Main Relay Opens Too Early or Too Late

The main relay is not operating at the correct time, either opening too early or too late. This may be due to an open circuit in the main relay or an issue with the power relay control circuit.

1. 1

   Main Relay

2. 2

   Main Relay Open Circuit

3. 3

   Power Relay Control Circuit

1. 1

   Inspect

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

2. 2

   Test

   Test the main relay for proper operation using a multimeter or diagnostic tool.

3. 3

   Check

   Check the power relay control circuit for continuity and proper connection.