Massey Ferguson 00.03.3E – Dash: Issue With The Signal Voltage From Forward/Reverse Lever, Low Voltage (Dash)
Issue description
The system has detected that the electrical signal voltage coming from the Forward/Reverse (Power Shuttle) lever on the steering column has dropped below the minimum expected threshold. This typically points to a failed internal potentiometer/switch inside the lever assembly, a short to ground in the wiring harness, or a disconnected plug.
Applies to these machines
28 machines- 7714
- 7715
- 7715S
- 7716
- 7716S
- 7718
- 7718S
- 7719
- 7720
- 7720S
- 7722
- 7722S
- 7724
- 7724S
- 7726
- 7726S
- Tier 4 (2015-2021)
- 5709
- 5710
- 5711
- 5712
- 5713
- 6712
- 6713
- 6714
- 6715
- 6716
- 6718
Check the cause
Check battery and Dash voltage to ensure the tractor battery is fully charged (approx. 12.6V) and the Dash is receiving proper voltage, as low system voltage can trigger false sensor codes.
Remove the steering column covers and visually inspect the wiring harness leading to the Forward/Reverse lever for chafed wires (which could cause a short to ground) or a loose connector.
Back-probe the signal wire on the lever's potentiometer/switch with a multimeter set to DC voltage. Check the voltage relative to ground while moving the lever through Forward, Neutral, and Reverse.
If the voltage is dead/flatlining at 0V during multimeter testing, check for continuity to ground on the signal wire to confirm a short.
If the wiring is intact but the voltage is out of range during multimeter testing, conclude that the lever's internal contacts have failed.
Repair steps
Disconnect Power
Disconnect the tractor's battery to prevent electrical shorts during the repair.
Access the Lever
Remove the plastic console covers/shrouds surrounding the steering column to expose the base of the Power Shuttle lever.
Disconnect Harness
Unplug the electrical connector from the base of the Forward/Reverse lever assembly.
Remove the Lever
Remove the mounting screws holding the lever assembly to the steering column bracket and pull the old unit out.
Install New Part
Seat the new Genuine AGCO Power Shuttle lever into the column, ensuring it aligns correctly with the mounting holes. Tighten the mounting screws.
Reassemble
Reconnect the electrical harness plug, ensuring it clicks securely into place. Reinstall the steering column covers.
Calibrate (If Necessary)
Reconnect the battery and turn the ignition on. Clear the inactive fault codes from the Dash. Depending on the exact model year and Autotronic version, you may need to perform a shuttle calibration procedure so the controller can learn the new lever's voltage parameters.
Parts you might need
(2)Power Shuttle Forward/Reverse Lever
3789724M93Superseded / Alternate OEM Numbers: 3780596M93, 3780596M94, 3789724M91, 3789724M92. Fits Massey Ferguson 5600, 5700 S/SL, 6700 S, and 7700 S series tractors equipped with Dyna-4, Dyna-6, and Dyna-VT transmissions.
Mechanical-style power shuttle lever
3812630M92If working on an older 4200/4300 series tractor.
Get help to fix this fault by requesting a quote