1991 Chevrolet Blazer Electrical system Problems
- Complaints
- 16about this part
- Share
- 7%of 222 total for the year
- Median mileage
- 110,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 16 complaints about the electrical system of the 1991 Chevrolet Blazer, 7% of the 222 complaints for this model year. Where a mileage was given, the median is 110,000 miles. 8 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“A fire started while the consumer was driving at 26 MPH. The defrosting coil in the rear window started the fire, per the fire department. The entire vehicle's rear was destroyed. No injuries reported.”
NHTSA complaint #10103237, filed 2004-12, 110,000 miles“Short in horn causing fuses to blow and none of the interior lights to work and the radio to mess up the rear defrost wiring is corroded all the wat through the plastic coating as far as you can peel it back and see which is very likely to contribute to an accident although it hasnt yet”
NHTSA complaint #721005, filed 2000-04“A fire started under the hood while driving at 60mph. Vehicle was towed to repair shop. Cause was not determined at this time. Manufacturer and dealer were notified. Please provide any further information.”
NHTSA complaint #10021946, filed 2003-05“While driving stepped on brake pedal, but vehicle would not stop on time. Right exhaust manifold , exhaust pipe and oxygen sensor failed. There was a clunk intermittently from back on turns due to broken torsion bar mounts. 4wd often hard to engage due to vac switch in transfer case failure. Replace rear main seal, oil pan and gasket because of rust and oil leak. Serpentine belt failed. Distributor cap and rotor failed. Axle seals and bearings are leaking.”
NHTSA complaint #867271, filed 2000-08“When driving at 55 MPH without prior warning the volts light came on, and the consumer pulled over. Went to lift the hood and noticed smoke and the fire. The wires were on fire, and the alterator was burned out. That's what started the fire.”
NHTSA complaint #831138, filed 1998-11Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 12 | 34% |
| 2024 | 7 | 13% |
| 2023 | 7 | 16% |
| 2022 | 20 | 37% |
| 2021 | 40 | 28% |
| 2020 | 78 | 35% |
| 2019 | 62 | 33% |
| 2008 | 1 | 20% |
| 2006 | 2 | 11% |
| 2005 | 4 | 27% |
| 2004 | 10 | 20% |
| 2003 | 9 | 12% |
| 2002 | 21 | 9% |
| 2001 | 40 | 12% |
| 2000 | 49 | 8% |
| 1999 | 40 | 9% |
| 1998 | 71 | 10% |
| 1997 | 89 | 12% |
| 1996 | 62 | 5% |
| 1995 | 70 | 6% |
| 1994 | 10 | 2% |
| 1993 | 17 | 3% |
| 1992 | 18 | 6% |
| 1991 | 16 | 7% |
| 1990 | 4 | 13% |
| 1989 | 6 | 16% |
| 1988 | 5 | 13% |
| 1986 | 1 | 5% |
| 1985 | 1 | 3% |
Other parts of the 1991 Chevrolet Blazer
129 complaintsSeat belts
26 complaintsEngine cooling
12 complaintsVehicle speed control
11 complaintsTransmission and drivetrain
8 complaintsFuel system
7 complaintsSeats
7 complaintsSteering
5 complaintsSuspension
5 complaintsTires
5 complaintsBody and structure
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaints
← All problems reported for the 1991 Chevrolet Blazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology