Three problems related to dash wiring have been reported for the 2003 Chevrolet Silverado 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Chevrolet Silverado 1500 based on all problems reported for the 2003 Silverado 1500.
The contact owns a 2003 Chevrolet Silverado 1500. The contact stated while driving 30 mph, smoke and flames were emitted from under of the dashboard into the cab of the vehicle. The contact mentioned that he was able merge to the side of the road and disconnect the wiring harness, which stopped the flames. The fire department was not contacted and no injuries were reported. The vehicle was taken to a local mechanic who diagnosed that the blower motor, blower motor resistor, wiring harness and temperature control switch needed to be replaced. The manufacturer was made aware of the failure who did not offer any assistance since the vehicle was not included in any recalls. The vehicle was repaired. The failure mileage was 137,254 and the current mileage was 138,620.
The climate control fan speed module has shorted out causing the wiring harness to melt. The module overheated to a point that caused smoke and almost ignited will could have resulted in a fire under the dashboard.
(1) hot humid weather was apparently too much for my vehicle air conditioner. (2) the air conditioner blower motor resistor failed in addition to the associated electrical wiring going to the resistor. (3) the parts that were replaced cost $51. 62, and the labor to replace the parts cost $445. 00. The failure occurred with just over 31,000 miles on the vehicle. This failure could have just as easily resulted in a fire within the dashboard assembly in the passenger compartment of the vehicle.