1991 Ford Bronco electrical system problems
11 owner complaints filed with NHTSA name the electrical system on the 1991 Ford Bronco — 34% of all complaints for this model year.
What owners report
“This is the third time I inhaled burnt wire and couldn't get it to stop, than lose light in the dark,and I did once have ford service to see to the problem and they only found battery clamp wasn't tight but no wieing burning, and I have discovery a two year later it losed the light and the plug of…”
filed Sep 10, 2002
“When attempting to start vehicle by placing the key in vehicle ignition key will not fit in ignition, causing a no start situation. Please provide any further details.*ak”
filed Jan 14, 2002
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Subject on a wire harness terminal repair kit available for repairing electrical wiring harnesses. *tt
99222 · Service Bulletin/Repair Instructions · issued Oct 18, 1999
Electrical System problems in other Bronco years
| Year | Reports | Share |
|---|---|---|
| 2025 Bronco | 11 | 23% |
| 2024 Bronco | 17 | 24% |
| 2023 Bronco | 22 | 10% |
| 2022 Bronco | 37 | 10% |
| 2021 Bronco | 28 | 13% |
| 1996 Bronco | 10 | 12% |
| 1995 Bronco | 14 | 15% |
| 1994 Bronco | 10 | 11% |
| 1993 Bronco | 3 | 8% |
| 1992 Bronco | 5 | 14% |
| 1990 Bronco | 18 | 32% |
| 1989 Bronco | 28 | 33% |
Other reported problem areas on the 1991 Ford Bronco
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.