Massey Ferguson 08.01.18 – HITCH: Rear Hitch Raise/Lower Rocker Switch Signal Issue
Issue description
The electronic control system is receiving an erratic, out-of-range, or missing electrical signal from the rocker switch used to manually raise and lower the rear 3-point hitch.
Applies to these machines
65 machines- 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
- 5710 SL
- 5711 SL
- 5712 SL
- 5713 SL
- 6612
- 6613
- 6614
- 6615
- 6616
- 6712 S
- 6713 S
- 6714 S
- 6715 S
- 6716 S
- 6718 S
- 7614
- 7615
- 7616
- 7618
- 7619
- 7620
- 7622
- 7624
- 7626
- 7714 S
- 7715 S
- 7716 S
- 7718 S
- 7719 S
- 7720 S
- 7722 S
- 7724 S
- 7726 S
Check the cause
Check the wiring harness and connector at the back of the hitch rocker switch for loose pins, corrosion, or moisture ingress
Inspect the wiring running from the armrest/console to the HITCH module for signs of fraying or rodent damage
Disconnect the switch and use a multimeter to test for continuity across the switch's contacts. The switch should show clear open/closed states when toggled to the 'Up' and 'Down' positions. If the resistance is erratic or infinite when closed, the switch's internal contacts have failed
Turn the ignition off and back on to see if the code is an active hard fault or an intermittent stored code
Repair steps
Safety First
Ensure the tractor is parked on level ground, the engine is turned off, the key is removed, and the rear hitch is fully lowered to the ground to relieve hydraulic pressure.
Access the Switch
Locate the 3-point hitch up/down rocker switch on the cab console/armrest. Carefully pry the switch bezel or the console trim panel up using a plastic trim tool to avoid scratching the plastics.
Disconnect
Unplug the wiring harness connector from the back of the switch.
Remove
Squeeze the retaining tabs on the sides of the faulty rocker switch and push it up and out of the mounting panel.
Install
Snap the new OEM or aftermarket replacement switch into the panel.
Reconnect
Plug the wiring harness back into the switch. It is a direct plug-and-play replacement.
Test
Turn the tractor's ignition on. Verify that the 08.01.18 fault code has cleared from the diagnostic display. Start the engine and test the hitch's up and down functions to ensure proper operation.
Parts you might need
(4)Switch, Rocker, 3 Point Hitch Up/Down
4294420M5OEM AGCO Part. Direct drop-in replacement for the factory switch panel; weather-sealed construction.
Switch, Rocker, 3 Point Hitch Up/Down
4375123M1OEM AGCO Part. Direct drop-in replacement for the factory switch panel; weather-sealed construction.
Switch, Rocker, 3 Point Hitch Up/Down
B58127OEM AGCO Part. Direct drop-in replacement for the factory switch panel; weather-sealed construction.
Switch, Rocker, 3 Point Hitch Up/Down
64764Aftermarket (Sparex / Replacement Rocker Linkage Hitch Switch, 22mm x 30mm, 4-Pin). Direct drop-in replacement for the factory switch panel; weather-sealed construction.
Get help to fix this fault by requesting a quote