One problem related to high/low beam switch has been reported for the 1999 Chevrolet Blazer. The most recently reported issues are listed below.
The contact complained about multiple problems with this vehicle. The 4-wheel drive actuation motor was replaced. The heater core became blocked and was flushed by the dealer. The steering box and pitman arm were replaced. Also, the front wheel bearings were replaced. The headlights became dim. The rear windshield wiper stopped working. The dealer performed numerous repairs, and could not offer an explanation as to why these problems occurred at such low mileage. The vehicle is remained at the dealer awaiting repairs on the rear windshield wiper. Also, replaced loose front hubs.