Question about 1990 Lincoln Mark VII

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I have a 1990 Lincoln Mark VII, the air ride was removed and now there is a short somewhere causing voltage regs to fry and draining the battery. We found a connection under the hood (passenger side) and once we disconnected it the problem went away but car dash lights do not cycle at ignition, climate control lights flash contsant but system works, no heat, but control wise. The turn signals do not flash on the dash panel. I am stuck. Please help/

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After replacing the air system on your Mark, you should have turned the switch off in the trunk and left the air pump intact.....that way the system does not know that anything has been can then just remove the bags and tape off the lines.....basically it does not know when to air up bacause of no pressure changes....all of the electronics on the mark vii are tied togather in the wiring harness and the best thing to do is nothing...plug everything back up correctly and try to turn off the airbag system in the trunk and see if that helps..

Posted on Apr 03, 2009


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I have a 1990 Lincoln Mark 7...only has 29,000 miles on it. Every now and then it will not start. It turns over..(new battery). Seems like its not getting fuel. What does the fuel cut off switch look like?...

Yes the on-off switch is for the air ride. The fuel cut-off switch should be labeled on one of the panels in the trunk. They hide it behind the panel, but give you a hole you can put your finger through to reset the button. If you have an owners manual, it will tell you exactly where to find it, but I'm thinking passenger side trunk, just below the trunk lid hinge.

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The biggest problem ALL Mark VIIs have as far as electrical gremlins is the Voltage Regulator. Swap out the V/R and have the alternator and battery checked for free at your local AutoZone.

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