Has anyone bothered to scan the IPC (Instrument Panel Cluster) or the GEM (General Electronic Module) to see if there are any fault codes? Does the engine run OK when this happens? I had a Grand Marquis that was doing something similar and the modules had several U-codes. Finally found the problem in the Transmission Range Sensor - it was shorting out the data line.
the one time the check engine light came on i ran the code and it said coil pack i changed that and now the check engine light went off.auto zone ran the code i dont have a tester.
i am having the same problem in my 2007 p71 shop cant figure the prob out i loose mileage and all the warning lights come on plus the speedometer,tach dnt work either it runs perfect when this is happening im at a loss
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I'm having an similar issue with my '04 Grand Marquis. The biggest difference is that the car restarts itself.
Common problem with these clusters - they can be repaired here:
Yes We can repair your Speedometer or Instrument Cluster and save you...
I have the 2006 police interceptor, the dash lights turn on and off continuously, whats the fix for this problem,?????
Another cause of this issue is an worn ignition switch tumbler. The contacts wear out and cause intermittent contact. If you can have it scanned it may well be a code for the panel control module.
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Any luck figuring out this issue, i also have a 06 Ford Crown Vic that does the same thing...
help??
was yours a cop car?
Mine is and im having this exact problem
I have the 2006 police interceptor crown Victoria, the same issues your having is what I am having. The dash lights turn off and on while driving, the speedometer and RPM stop working for a flash of a second and come back on, I was thinking about pulling the battery terminal to see if something resets,
HI LARZ.. DID YOU FIND OUT WHAT WAS CAUSING YOUR LIGHTS TO TURN OFF. IM HAVING SAME EXACT ISSUE NOW. THANKS FOR YOUR TIME .
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SOURCE: Speedometer and odometer does not work in 1998
Either the speed sensor,or the dash cluster is of fault. Have Auto Zone test the speed sensor,if ok ,,, I would replace the cluster ( buy used ) much cheaper.
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SOURCE: 2000 crown vic police interceptor bypass a/c clutch pulley
you can get a A/C Delete kit for a Ford 4.6 liter. the 4.6 v-8 accessory drive system is all the same. You may also be able to run a line of string around the pullys, take it to your local auto parts store and they can match it up. I recomend the kit,
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