1990 Mercury Grand Marquis electrical system problems
13 owner complaints filed with NHTSA name the electrical system on the 1990 Mercury Grand Marquis — 23% of all complaints for this model year.
What owners report
“The consumer was seeking recall on the tfi module which was defective. The tfi module failure could result in accident and death. Consumer stated that the class action settlement does not force a recall but only covers replacement cost after failure. *yh”
filed Oct 1, 2002
“Consumer states during highway driving vehicle completely shut down and would not restart. Thick film ignition moudle had to be replaced. *tt”
filed Aug 13, 2002
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This aritlce is to provide information on replacement of old style hood lamp switch to the rvised mechanical hood lamp switch. *tt
01194 · Service Bulletin/Repair Instructions · issued Oct 1, 2001Subject 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 Grand Marquis years
| Year | Reports | Share |
|---|---|---|
| 2010 Grand Marquis | 3 | 13% |
| 2009 Grand Marquis | 4 | 15% |
| 2008 Grand Marquis | 9 | 12% |
| 2007 Grand Marquis | 1 | 1% |
| 2006 Grand Marquis | 8 | 6% |
| 2005 Grand Marquis | 75 | 15% |
| 2004 Grand Marquis | 40 | 12% |
| 2003 Grand Marquis | 51 | 14% |
| 2002 Grand Marquis | 10 | 13% |
| 2001 Grand Marquis | 13 | 8% |
| 2000 Grand Marquis | 17 | 10% |
| 1999 Grand Marquis | 15 | 9% |
Other reported problem areas on the 1990 Mercury Grand Marquis
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.