1990 Mercury Grand Marquis Overview

Grand Marquis

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Grand Marquis

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Mercury Grand Marquis Questions

Engine Timing

So im trying to figure out whats wrong with the timing on my car and i noticed when i was checking it and i noticed when i hitch up the inductive timing light to the #1 cylender wire its about 180...

11 views with 3 answers (last answer 3 weeks ago)

Power

My 1990 Mercury grand Marquis does not have any power the battery is good fuses are good but it does not have any power no head lights no tail lights interior lights nothing please help.

13 views with 3 answers (last answer 2 months ago)

Auto Lamps

Today my auto lamp stopped working when I pull the switch to turn on the headlights works fine but the auto lamps will not kick on it and gave by themselves the part is under a year old I just rep...

4 views with no answers yet

Headlight Problem

1990 (mfg date 11/89) Mercury Grand Marquis, 5L, MFI, loaded Cut to the chase: what is the correct multi-switch (dimmer) for this vehicle? O-Reilly's says (and gave me) a BWD #S3217. I think it is...

973 views with 1 answer (last answer 3 years ago)

What Kind Of Detention Wire Does A 1990 Mercury Grand Marquis Have Is It El...

car hesitates at take off like the detention wire needs adjusting but don't know if its electrical or what

40 views with 1 answer (last answer 2 years ago)