Lockout Function Inoperative: 4-Door

Turn ignition switch to RUN position. Press lock-out switch to off position. Using a test light, backprobe between ground and Dark Blue wire terminal at master switch connector. If test light is on, repair short to voltage or poor connection in Dark Blue wire between master switch and window switch. If wire and connection are okay, replace master switch. If test light is off, check for poor connection at master switch. If connection is okay, replace master switch.