Massey Ferguson 08.01.10 – HITCH: Rear Linkage Raise Solenoid Open Circuit

The control module has detected an incomplete electrical circuit (open circuit) on the line that powers the solenoid responsible for raising the rear 3-point hitch. This condition is typically caused by a disconnected electrical plug, a broken wire in the harness, or a burned-out solenoid coil. Because the circuit is open, the tractor will disable the hitch raise function to prevent erratic operation.

• 7724S
• 5712SL
• 7722
• 7722S
• 5713SL
• 7720S
• 7716
• 7718
• T4
• 7715
• 5710SL
• 7726
• 7726S
• 5711SL
• 7718S
• 7719
• 7714
• 7716S
• 7720
• Tier 4 (2015-2021)
• 7715S
• 7724
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626

1. 1

   Inspect the wiring harness leading to the rear hitch hydraulic control valve block (usually located at the rear of the tractor). Look for obvious harness rub points, severed wires, or disconnected plugs.

2. 2

   Disconnect the plug at the raise solenoid. Inspect the pins for corrosion, moisture, or pushed-out terminals.

3. 3

   Using a multimeter, measure the resistance across the pins of the raise solenoid coil. An 'open circuit' fault usually means the coil has failed internally and will read infinite resistance (O.L).

4. 4

   If the solenoid coil tests within normal resistance specifications, check the continuity of the wiring harness from the solenoid connector back to the HITCH module to isolate a broken wire or a bad ground.

1. 1

   Power Down

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

2. 2

   Locate the Valve

   Locate the rear hitch hydraulic control valve block at the rear of the tractor. Identify the "Raise" solenoid (it is usually paired on the same block with the "Lower" solenoid).

3. 3

   Disconnect

   Unplug the electrical connector from the raise solenoid.

4. 4

   Wiring Repair (If Applicable)

   If the diagnostic checks revealed a broken wire, splice and repair the wire using weather-sealed heat-shrink connectors.

5. 5

   Solenoid Replacement (If Applicable)

   If the solenoid coil failed the resistance test, remove the retaining nut holding the coil to the hydraulic valve stem. Slide the old coil off and slide the new replacement coil on. Secure it with the retaining nut (do not overtighten, as this can warp the coil).

6. 6

   Reassembly

   Reconnect the electrical plug, ensuring the locking tab clicks securely into place.

7. 7

   Clear Codes & Test

   Reconnect the battery. Turn the ignition on, clear the fault codes using a compatible diagnostic tool (or cycle the ignition if the system self-clears inactive codes), and test the rear hitch raise/lower functions to verify the repair.