John Deere – 1023E, 1025R and 1026R – PTO MBR Switch Test

[1] – Park machine safely.

[2] – Unplug connector from MBR switch.

[3] – Attach ohmmeter leads across the switch terminals (A).

[4] – Shift the PTO lever as directed and note meter readings.
– Mid PTO and Mid+REAR PTO positions: no continuity
– REAR PTO position: continuity

[5] – If continuity is not correct, remove switch from the transmission.

[6] – Test switch continuity in OPEN and CLOSED positions.
– OPEN (plunger released): no continuity
– CLOSED (plunger depressed): continuity

Results
If any continuity is NOT correct, replace switch.
If continuity is correct with switch removed, but not with switch installed in transmission, see the power train repair Section 50.