Brake Switch
Disconnect brake switch connector. With brake pedal depressed (push rod out), check for continuity between switch terminals No. 1 (Green wire) and 4 (Green/Yellow wire). See Fig 1. Continuity should exist. With brake pedal released (push rod in), check for continuity between switch terminals No. 2 (Blue/Red wire) and 3 (Orange wire). Continuity should exist. If brake switch does not test as described, replace brake switch.