Massey Ferguson 8.X.1C – HITCH (Rear Hitch Module / EHR - Electronic Hitch Control): Rear Hitch Raise/Lower Rocker Switch Signal Issue

The controller is detecting an invalid, missing, or out-of-range electrical signal from the rocker switch used to manually raise or lower the rear 3-point hitch. This typically points to a failed switch, a wiring short/open circuit, or a disconnected harness.

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 5709
• 5710
• 5711
• 5712
• 5713
• 5S.105
• 5S.115
• 5S.125
• 5S.135
• 5S.145
• 6700 Dyna 4
• 6700 Dyna 6
• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S

1. 1

   Inspect the rear hitch raise/lower rocker switch on the armrest/console for physical damage, sticking, or debris preventing it from returning to the neutral position.

2. 2

   Access the back of the switch and inspect the electrical connector for loose pins, corrosion, or moisture.

3. 3

   Verify that the switch is receiving 12V (DC) power.

4. 4

   Test the 3-position (On/Off/On) switch for continuity in both the 'Raise' and 'Lower' positions. If the switch does not close the circuit when pressed, it has failed internally.

5. 5

   Trace the wiring harness from the switch to the HITCH module to ensure there are no pinched wires, shorts to ground, or open circuits.

1. 1

   Power Down

   Turn off the tractor ignition and disconnect the negative battery cable to prevent electrical shorts during repair.

2. 2

   Access the Switch

   Carefully pry up or unscrew the trim panel on the right-hand control console or armrest where the rear hitch rocker switch is mounted.

3. 3

   Disconnect

   Unplug the wiring harness connector from the back of the faulty rocker switch.

4. 4

   Remove

   Depress the retaining tabs on the sides of the switch body and push it upward through the console panel to remove it.

5. 5

   Install New Part

   Snap the new OEM rocker switch into the panel until the retaining tabs click into place.

6. 6

   Reconnect

   Plug the wiring harness connector into the new switch, ensuring it seats fully and locks.

7. 7

   Reassemble

   Reinstall the console trim panel.

8. 8

   Test

   Reconnect the battery, turn on the ignition, and test the rear hitch raise and lower functions.

9. 9

   Clear Codes

   If the fault code remains on the dash, use a diagnostic tool to clear the inactive code from the HITCH module memory.