One problem related to battery cable has been reported for the 2002 Chevrolet Trailblazer. The most recently reported issues are listed below.
Consumer started vehicle and shifted to reverse and suddenly smoke came from under the hood, consumer could not get out of vehicle since doors locked upon starting vehicle. She was able to get out through rear passenger door that had not been shut properly. Dealer determined that battery cables shorted out, and shut down electrical system. Dealer was exchanging vehicle.