Chevrolet Blazer electrical system problems by year
739 NHTSA owner complaints name the electrical system across 27 Blazer model years. The most reported year is 1997 with 89 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2025 Blazer | 7 | 27% | — | |
| 2024 Blazer | 7 | 17% | — | |
| 2023 Blazer | 6 | 15% | — | |
| 2022 Blazer | 11 | 26% | — | |
| 2021 Blazer | 37 | 30% | — | |
| 2020 Blazer | 71 | 34% | — | |
| 2019 Blazer | 59 | 32% | — | |
| 2006 Blazer | 2 | 11% | — | |
| 2004 Blazer | 10 | 20% | — | |
| 2003 Blazer | 9 | 12% | — | |
| 2002 Blazer | 21 | 9% | 36,064 mi | |
| 2001 Blazer | 40 | 12% | 60,000 mi | |
| 2000 Blazer | 49 | 8% | 89,366 mi | |
| 1999 Blazer | 40 | 9% | 89,000 mi | |
| 1998 Blazer | 71 | 10% | 72,470 mi | |
| 1997 Blazer | 89 | 12% | 93,200 mi | |
| 1996 Blazer | 62 | 5% | 104,000 mi | |
| 1995 Blazer | 70 | 6% | — | |
| 1994 Blazer | 10 | 2% | — | |
| 1993 Blazer | 17 | 3% | — | |
| 1992 Blazer | 18 | 6% | — | |
| 1991 Blazer | 16 | 7% | — | |
| 1990 Blazer | 4 | 13% | — | |
| 1989 Blazer | 6 | 16% | — | |
| 1988 Blazer | 5 | 13% | — | |
| 1986 Blazer | 1 | 5% | — | |
| 1985 Blazer | 1 | 3% | — |
Share is the fraction of that year’s complaints naming the electrical system. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.