Massey Ferguson 00.0.32 – Dash: Issue With Battery Voltage To Dash

The control unit has detected a supply voltage reading that is out of the acceptable range (either too low or too high) being delivered to the instrument cluster. This is typically caused by electrical power issues such as low voltage during cranking, weak charging, poor grounds, or a wiring circuit problem.

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626
• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S

1. 1

   Measure DC volts directly across the battery posts (a healthy resting voltage is 12.6V to 12.8V)

2. 2

   Perform a cranking load test by observing voltage drop while cranking the engine (dropping below 9.6V indicates a failing battery or heavy starter load)

3. 3

   Check alternator output to ensure it is charging properly

4. 4

   Inspect the main earth strap and chassis ground connections for high resistance, corrosion, or loose terminals

5. 5

   Check the wiring harness leading to the dash for rub points, open circuits, or shorts to ground

1. 1

   Disconnect Power

   Disconnect the negative battery cable before servicing electrical components.

2. 2

   Clean Connections

   Clean the battery terminals, cable clamps, and the main chassis ground. Re-tighten to ensure a solid connection.

3. 3

   Check Fuses/Relays

   Locate the cab fuse box and test the fuses and relays responsible for supplying power to the instrument cluster. Replace any blown fuses or sticking relays.

4. 4

   Test Dash Connector Voltage

   Remove the dash trim to access the rear of the instrument cluster. Reconnect the battery and use a multimeter to test the power supply pins on the dash connector. If voltage at the connector is low, the issue is in the wiring harness. If voltage is good, the internal power regulation of the instrument cluster has failed.

5. 5

   Replace Dash

   If necessary, remove the mounting screws, disconnect the wiring harness, and swap in the new instrument cluster.

6. 6

   Clear Codes

   Reconnect the battery, turn the key to the ON position, and use a diagnostic scan tool to clear the 00.0.32 fault code.