Two problems related to warning light on have been reported for the 1998 Jeep Wrangler. The most recently reported issues are listed below.
Air bag warning light come on and all dash instruments and gauges fail to function.
Vehicle was experiencing an erratic instrument cluster, and air bag light operation. Intermittently while driving instrument cluster, speedometer and tachometer rolled back to zero, and the air bag warning light came on. Also, at 82,000 miles left turn signal engaged when the brake pedal was depressed, and at 78,000 miles when driver's side door was opened while the truck was still running the defroster light came on. Dealership had not been contacted. Consumer took vehicle to two Jeep dealers and said that they're aware of the problem and many customers have experienced the same problem. Also, they said that it was a defective electrical connector.