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ALTERNATOR FAILURES

Tiny
ICE P
  • MEMBER
  • FORD F-350
2002 F-350 W/ V-10, DUALLY, 4 DOOR, 104,000 MILES. WILL A BAD ALTERNATOR CAUSE SPARK PLUG COILS TO FAIL? LOST 1ST ALT, #5 COIL FAILED. LOST 2ND ALT, #10 WENT. LOST MY THIRD ALT, #2 FAILED. THEY WERE A BAD BATCH OF ALTERNATORS FROM THE LOCAL REBUILD GUY. THEY COVERED THE ALTS BUT FORD CHARGES $533.00 EACH TIMETO REPLACE THE COIL. YES, I STARTED REPLACING THEM MYSELF NOW.
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Wednesday, November 28th, 2007 AT 2:55 PM

1 Reply

Tiny
FISHERMAN
  • MECHANIC
  • 937 POSTS
Hello !

At least you`re lucky!

High voltage from a faulty alternator can cause severe damage to the ECU and that. That`s expensive!

High voltage can damage several things and I think your problem was over-voltage or faulty regulator.

Next time get a brand new alternator. Sometimes the cheap gets expensive!

Good Luck!
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Wednesday, November 28th, 2007 AT 3:10 PM

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