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

[1] – Park machine safely.

[2] – Remove left side engine panel to gain access to switch.

[3] – Disconnect switch from wiring harness and remove switch from machine.

[4] – Use ohmmeter to check continuity across switch terminals.
a. If continuity is not present between terminals listed for each switch position, replace switch
b. If continuity exists between terminals not listed for each switch position, replace switch.