One problem related to brake light switch has been reported for the 1999 Jeep Grand Cherokee. The most recently reported issues are listed below.
The contact owns a 1999 Jeep Grand Cherokee. The left turn signal and the brake lights failed intermittently. The brake light bulbs have been changed and the lights failed to operate normally. The dealer can not diagnose the failure; however, a mechanic advised her that there is a wiring problem. The perform service light was also illuminated; however, they are unable to turn it off. The vehicle has not been repaired. The failure mileage was 138000 and the current mileage was 140081.