2005 GMC Sierra 2500 electrical system problems
Owners reported electrical system problems in 42 complaints for the 2005 GMC Sierra 2500, 26% of the complaints on file. It is the 2nd most reported problem area for this model year.
At a glance
- Complaints
- 42 26% of this year's complaints
- Typical mileage
- 70,000 miles 37 complaints with mileage
- Crashes and fires
- 0 and 5
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
When electrical system problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 2 |
| 20k to 40k miles | 3 |
| 40k to 60k miles | 10 |
| 60k to 80k miles | 8 |
| 80k to 100k miles | 6 |
| 100k to 120k miles | 4 |
| 120k to 140k miles | 1 |
| 140k to 160k miles | 1 |
| 160k to 180k miles | 2 |
| 180k to 200k miles | 0 |
| 200k+ miles | 0 |
What the data shows
Of the 37 electrical system complaints that report mileage, the median is about 70,000 miles, and 41% were reported before 60,000 miles.
These complaints mention 5 fires.
What owners wrote
Wiring harness from blower motor to resistor pack located in the heater coil area under the dash on the passenger side of vehicle. This was repaired by the dealer once or twice before as far as we can see.
Tl*the contact owns a 2005 GMC sierra 2500 hd. The contact heard a clicking noise underneath the dashboard. The cause of the failure was due to a magnetic switch shortage. The dealer stated that the contact would be responsible for the repair cost. The failure mileage was 52,000. Updated 04-23-09 updated 04/24/09.