GMC Sierra 3500
electrical Problems
We don't have a lot of GMC Sierra 3500 electrical problems on file — feel free to add yours here. The most common Sierra 3500 electrical problems cost $400 to fix & occur at 77,000 miles.
The worst model years for electrical problems are the 2015 Sierra 3500, 2004 Sierra 3500, and the 2003 Sierra 3500.
Worst GMC Sierra 3500 Electrical Problems
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#1: Blows 20 Amp Fuse Under Hood 1998 Sierra 3500
- Average Cost to Fix:
- $700
- Average Mileage:
- 100,000 mi
-
#2: Gauges Are Erratic 2003 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 65,000 mi
-
#3: Cluster Panel Failure 2004 Sierra 3500
- Average Cost to Fix:
- $100
- Average Mileage:
- 67,000 mi