1991 Ford F-450 SD Electrical system Problems
- Complaints
- 2about this part
- Share
- 33%of 6 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 1991 Ford F-450 SD, 33% of the 6 complaints for this model year.
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.
“Electrical short in the wiring harness, causing the wiring harness to melt and a electricalfailure in the headlights, the headlights will not stay illuminated. Consumer has replaced the headlight switch on two occasion.”
NHTSA complaint #807408, filed 1997-01Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 2 | 22% |
| 2023 | 1 | 20% |
| 2022 | 8 | 33% |
| 2021 | 5 | 28% |
| 2008 | 3 | 4% |
| 2006 | 3 | 9% |
| 2005 | 2 | 5% |
| 2004 | 3 | 9% |
| 2002 | 1 | 7% |
| 2001 | 2 | 9% |
| 2000 | 2 | 5% |
| 1999 | 4 | 6% |
| 1991 | 2 | 33% |
Other parts of the 1991 Ford F-450 SD
4 complaintsTransmission and drivetrain
2 complaintsSeats
1 complaintsSteering
1 complaintsTires
1 complaints
← All problems reported for the 1991 Ford F-450 SD
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