1990 Mercury Cougar electrical system problems
19 owner complaints filed with NHTSA name the electrical system on the 1990 Mercury Cougar — 22% of all complaints for this model year.
What owners report
“Seat belt doesn't stay locked and latch broke, automatic head lights don't work the digital instrument cluster don't work and as soon as is gets so hot it vaper locks a lot”
filed Jul 19, 2018
“After starting vehicle flickering on off of dash lights,panel completely out and now will not come back on,creating an issue driving,unable to see speed,milage gas usage,when checking under hood I was given an electrical shock,the motor was running,immediately turned off motor”
filed Sep 19, 2017
“Heavy traffic on state highway engine overheating alarm activated,incident has occured twice,in traffic,everything had to be turned off and I had to pull off of highway, other complaint dash panel lights out with definitely electrical issue,almost will not start,this occured while driving and now eill not come back on…”
filed Sep 18, 2017
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 Cougar years
| Year | Reports | Share |
|---|---|---|
| 2002 Cougar | 4 | 4% |
| 2001 Cougar | 12 | 15% |
| 2000 Cougar | 63 | 30% |
| 1999 Cougar | 99 | 22% |
| 1997 Cougar | 4 | 5% |
| 1996 Cougar | 3 | 5% |
| 1995 Cougar | 5 | 5% |
| 1994 Cougar | 6 | 4% |
| 1993 Cougar | 8 | 4% |
| 1992 Cougar | 5 | 5% |
| 1991 Cougar | 11 | 15% |
| 1989 Cougar | 12 | 15% |
Other reported problem areas on the 1990 Mercury Cougar
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.