Extremely dangerous situation exists whereas the headlights can randomly flicker off during driving, only stopped by kicking the light control module above the accelerator pedal repeatedly with limited and temporary results. First occurrence was on the interstate during the night with moderate traffic. Multiple other terrifying occurrences as well.
1993 Mercury Grand Marquis: headlights failing or too dim
10 of the 141 complaints about the 1993 Mercury Grand Marquis describe headlights failing or too dim.
- owner complaints
- 10
- of this car's complaints
- 7%
- recalls
- 0
Is there a fix? 3 service bulletins cover this area of the car. See below
Headlights failing or too dim by model year
What owners say
Tl* the contact owns a 1993 mercury grand marquis. While driving at approximately 55 MPH, the headlights failed. The contact shut off the engine and when restarting, the headlights were operating as normal. The contact discovered that the wiring harness was burned and replaced the harness. The failure continued to recur intermittently. The vehicle was not taken into the dealer for a diagnostic of the failure. The failure mileage was 218,000 and the current mileage was unknown.
I have a 92 crown victoria and a 93 grand marquis on the headlamp switch the harness is melted and burned on both of them in the same spot involving the same wire.
Headlight covers have turned an amber color, and are restricting amount of light coming through. *ak
Headlight switch replaced for third time, dealer cannot explain why shorted out, switch is not interchangeable with newer or older models. Please add additional information. Part number f2az-11654-a.
Faulty head light switch assembly resulting in burning of the wiring harness.
Water gets caught in the headlight lenses and fogs them up, which reduces the driver's visibility. Dealer has vehicle and is replacing the headlights.
Headlight lamp is dirty, affects visibility, especially at night.
Head light lenses get cloudy over time, causing poor visibility.
Sometimes when driving at night, vehicle head lights go out. Please describe.
Service bulletins that may apply
Related recalls
No recalls on record for this model year.
Questions about the 1993 Mercury Grand Marquis headlights
Is headlights failing or too dim a common problem on the 1993 Mercury Grand Marquis?
10 of 141 owner complaints about the 1993 Mercury Grand Marquis (7%) mention headlights failing or too dim. The model year with the most reports is 2005.
Is there a recall or service bulletin for this on the 1993 Mercury Grand Marquis?
There are 0 recalls and 3 service bulletins for the same area of the car. Check them below with your VIN.
Other symptoms on the 1993 Mercury Grand Marquis
Fire or smoke 15Ball joint 8Adaptive cruise 6Transmission failure 5
VIN decoder
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