One problem related to tail light switch has been reported for the 2000 Chevrolet Blazer. The most recently reported issues are listed below.
The contact owns a 2000 Chevrolet Blazer s10. When the vehicle was parked, with the turn signal engaged, the contact heard a continuous clicking noise. In addition, the tail lights intermittently became nonfunctional. The vehicle was taken to an authorized dealer on two separate occasions with replacement of the turn signal switch. The failure mileage was 16,386. The current mileage was 168,384.