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Old 11-12-2004, 08:05 AM   #1
woodsnake420
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HELP! - 1990 Grand Marquis Alternator - Internal or External Regulator?

Ok, So my 1990 has been breakin down on me. HAd issues with putting high beams on when car is running, lights were dimming while using the seat controls etc. Finally whole car shut off one morning. No charge to the battery. I need to know if my Alternator is externally or internally regulated, so I can grab a new one. Any ideas/????


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Old 11-13-2004, 12:06 PM   #2
6502dude
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From wiring diagrams:

1988 - Intergral Alternator & Regulator
1989 - Intergral Alternator & Regulator
1990 - Intergral Alternator & Regulator
1991 - Voltage Regulator & Alternator are 2 units (external regulator)
1992 - Intergral Alternator & Regulator
1993 - Intergral Alternator & Regulator
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