One problem related to electrical failure has been reported for the 1999 Chevrolet Silverado. The most recently reported issues are listed below.
1999, Chevrolet, Silverado, at 45000 miles the abs light came on. The abs motor continued to run even when the engine was turned off. It seemed like this was a safety issue and numerous incidents of this problem occurred. The module was replaced by the dealer. This problem made the abs inoperative. The problem was diagnosed as an electrical failure.