Electrical System Related Problems of the 1999 GMC Sierra 1500

Table 1 shows three common electrical system related problems of the 1999 GMC Sierra 1500. The number one most common problem is related to the instrument panel (four problems). The second most common problem is related to the electrical system (two problems).

Table 1. Electrical System related problems of GMC Sierra 1500


Recently reported Electrical System problems of the 1999 GMC Sierra 1500

The Instrument Panel problem

The contact owns a 1999 GMC Sierra 1500. While the vehicle was in neutral, the instrument panel gauges failed and flickered without warning. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was unknown.   Read details...

The Electrical System problem

Over the past 3 years lighted odometer and drive display flicker on and off. Noticed that display would not work in cold temps. Approximately 6 months ago lost all display. Vehicle has approximately 96000 miiles on it.   Read details...

The Ignition Switch problem

While driving on a street in my neighborhood, we found that the ignition switch could be moved to the "off" or "accessory" position while driving. Noticed that steering, brakes, and other components became disabled.   Read details...


Electrical System related problems in other GMC Sierra 1500 model year vehicles:



Safety Ratings of Sierra 1500 Cars
Sierra 1500 Service Bulletins
Sierra 1500 Safety Recalls
Sierra 1500 Defect Investigations