1994 GMC Suburban Electrical system Problems
- Complaints
- 11about this part
- Share
- 3%of 411 total for the year
- Median mileage
- 102,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 11 complaints about the electrical system of the 1994 GMC Suburban, 3% of the 411 complaints for this model year. Where a mileage was given, the median is 102,000 miles. 2 of these say a crash was involved and 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“1994 Gmc Suburban. When brake light switch fails, the cruise control will not be shutoff by hitting brakes. If switch fails, hitting brakes will slow vechile, but cruise control will give it more gas. Date of initial accident is approximate since I do not have papers with me. Switch has failed twice since that and was failed after the accident.”
NHTSA complaint #10057147, filed 2004-02, 102,000 miles“Front wiper motor stalled during rainstorm, travelling 55mph on major highway. Wiper and wiper fluid motor quit unexpectedly while in operation or while stopped. Sometimes a buzzing sound occurs with the failure. I discovered that I can tap the wiper motor module and the wiper motor may begin again, but its work will be shortlived. Another problem I encountered with this vehicle was a meltdown and small fire under the driverside dash. The rocker switch that controls the dome light has an auto and an off position. …”
NHTSA complaint #757286, filed 2002-01Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2002 | 1 | 14% |
| 1999 | 23 | 8% |
| 1998 | 16 | 16% |
| 1997 | 21 | 11% |
| 1996 | 18 | 10% |
| 1995 | 18 | 8% |
| 1994 | 11 | 3% |
| 1993 | 2 | 1% |
| 1992 | 2 | 3% |
| 1990 | 1 | 5% |
| 1989 | 1 | 6% |
Other parts of the 1994 GMC Suburban
276 complaintsVisibility (wipers, defrost, mirrors)
72 complaintsTires
17 complaintsSeats
12 complaintsTransmission and drivetrain
10 complaintsEngine cooling
9 complaintsSeat belts
9 complaintsFuel system
7 complaintsVehicle speed control
6 complaintsOther or unknown
4 complaintsSuspension
4 complaintsWheels
4 complaints
← All problems reported for the 1994 GMC Suburban
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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