One problem related to electrical system has been reported for the 1999 Chevrolet Express. The most recently reported issues are listed below.
While applying the brakes brake lights/turn signals and other electrical system parts failed to come on. Consumer replaced the fuse and bulbs on numerous occasions, but problem recurred. Consumer drove vehicle to dealer for inspection, but mechanic could not duplicate the problem.
| Wiring problems | |
| Battery problems | |
| Ignition problems | |
| Electrical System problems |