One problem related to starter relay has been reported for the 1998 Chevrolet Blazer. The most recently reported issues are listed below.
While driving down the road, the vehicle sounded as if someone was tampering with the locking mechanism. The consumer states that the rear hatch opened on its own, when the engine was off. The locks continued to click. Ts per-invoice; electrical repair-relay, found the body control module faulty-replaced the bcm battery, found the the switch for the endgate glass inop/shorted replaced. Scc.