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

[1] – Park machine safely.

[2] – Disconnect wiring harness from switch.

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

[4] – Shift the transmission range to high or low.
– Range in gear position: no continuity
– Neutral position: continuity

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

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

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.