One problem related to electrical failure has been reported for the 1999 Jeep Wrangler. The most recently reported issues are listed below.
1999 Jeep Wrangler had multiple rear differential failures before 70k miles. *** no answer required*** the original drive train was rebuilt using original mopar parts. The drive train failed for the second time at 69000 mile after only 11000 miles of use. This time the dealer refuses to provide any financial assistance. The vehicle had other failures which include water leaks, drive train seals failure, electrical failures, multiple abs failures, air bag and seat belt problems, and the paint was peeling off the vehicle.