2002 Lincoln Navigator alternator

Tiny
SCOTTYDG45
  • MEMBER
  • 2002 LINCOLN NAVIGATOR
  • V8
  • 4WD
  • AUTOMATIC
Last week, by all appearances my alternator seemed bad, i.E, would not charge battery, and the vehicle would eventually lose all power. I replaced the alternator with a remanufactured from a discount auto store, and the vehicle ran for two days, and then the same thing happened. I took the alternator back had it tested, and it tested good. However, I am told that in some Lincoln's if you do not replace the alternator with the OEM's alternator, that it may not work. I need to know how true this is as I have replaced the battery, checked all grounds, and even did the dealer trick with the light bulb looking for excessive draw on the battery by pulling fuses. HELP!
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Monday, August 1st, 2011 AT 8:09 PM

3 Replies

Tiny
DOCFIXIT
  • EXPERT
Check fuse 11 in engine junction box. Does Charge light up with key on? What is BATT voltage at 1500rpms?
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Monday, August 1st, 2011 AT 8:14 PM
Tiny
SCOTTYDG45
  • MEMBER
I cannot check battery voltages at 1500 rpms due to the vehicle will die as soon as you take off the battery cables after jumping the motor. I have checked all fuses, but will look again. I do not have a wiring diagram, please tell me how to know which fuse is 11. They are not marked. Thanks
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Monday, August 1st, 2011 AT 8:41 PM
Tiny
DOCFIXIT
  • EXPERT
What is Batt voltage engine off? See diagram
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Monday, August 1st, 2011 AT 8:52 PM

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