One problem related to underhood wiring has been reported for the 1998 Chevrolet Blazer. The most recently reported issues are listed below.
While driving in 2-wheel drive vehicle will jumps into 4-wheel intermittently. Dealership has examined vehicle, and replaced wiring harness for the first incident, and then replaced transfer case shift modular. Vehicle has not been examined for third incident. Please provide any additional information / attachments.