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

[1] – Park machine safely.

[2] – Access the switch on the left side of the machine.

[3] – Disconnect switch from wiring harness.

[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.