One problem related to high/low beam switch has been reported for the 1996 Chevrolet Blazer. The most recently reported issues are listed below.
: the contact stated while driving various speeds at night, and engaging the high/low beam switch, all interior and exterior lighting failed to illuminate without warning. The vehicle was inspected by a dealer who determined the high/low beam dimmer switch needed to be replaced. After the replacement, the problem persisted. The manufacturer was alerted. Updated 9/8/2006 - updated 09/15/06.