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Dawn Carlson Posted on Apr 08, 2016

What wires go to where from alternator on 2000 mercury cougar 2.5

Replaced alternator 2 times now and for some reason my battery continues to not charge. wondering if i have wiring from alternator going to right places. there was an extra red wire on battery wire that goes on stud of alternator and no one knows why

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Anonymous

  • 1 Answer
  • Posted on Apr 23, 2009

SOURCE: I have a 2000 mercury

body controll module [BCM]or power controll module[PCM],witch ever one feeds the instrument cluster,HAVE BOTH CHECKED FOR DEFAULT TROUBLE CODES, or check electrical harness all the way through for grounded wires that may be causing a short & not blowing fuses,I WOULD CHECK BOTH THE COMPUTERS [BCM] & [PCM] FIRST,MOST ARE FED BY [PCM] TO INSTRUMENT CLUSTER,which controlls the battery light to alternator.

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ase master

  • 115 Answers
  • Posted on Aug 06, 2009

SOURCE: 2000 cougar breaking down

main alternator cable (from alt. to battery).... i beleive there was a recall on some vehicles

Anonymous

  • 1 Answer
  • Posted on Mar 30, 2011

SOURCE: replacing my bank 2 catalytic converter - 2000 mercury cougar

what does code P0430 cat bank 2 mean? how many cat. converters does my car have? which one do i need? on my 2000 Mercury Cougar 2.5 liter auto trans.

Anonymous

  • 1252 Answers
  • Posted on May 23, 2011

SOURCE: 2000 Mercury Cougar lights still dimming and

The only thing i can think of is to make sure you have a good ground to your alt, and body...

Anonymous

  • 1 Answer
  • Posted on Dec 24, 2012

SOURCE: alternators not charging changed alternator

I had the same problem there is a inline fuse on the red wire that comes off the battery the wire goes to the starter then to the alternater after the starter there is a black bow on the red wire run your hand down it you will find it its at the back of the moter it have 175 amp fuse unbolt it go to auto zone and they have them

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I just replaced the alternator in my 2000 V6 Mercury Cougar, but now, for some reason my battery light is on and my power steering is out. HELP!?

I wondering if you tensioned the belt correctly and does the same belt drive both units, Have you reconnected the little wires into the back of the alternator as well as the heavy wire
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I have a 2000 mercury cougar. i have changed the alternator 3 times in less than a year and i need a new one again, whats the problem?

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Must be electrical problem

Suggest replacing the the switch for the headlights or the switch for the dimmer...doesn't sound like it's your charging system, but more like a switch. There are probably relays involved too, usually in the Fuse Box, that may be suspect.

Good luck,
Td
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Battery light stays on 2000 mercury cougar with v6 engine battery light stays on

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Hook up a multimeter inside your car and watch the battery voltage! if under 14volt you got an alternator problem!
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2000 Mercury Cougar stalls or will not start in

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In some 1999/2000 Cougars the wire between the battery and the voltage regulator(altenator) had a resistance reading that is too high. Ford has issued an TSB 00-25-6 that has instructions on how to replace this wire. The part # for the replacement wire is
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I have a 2000 mercury cougar for about a year. Two weeks after I got it the alternator went out. I had it replaced (with a bad one, then had that one replaced). Months later my battery light would come...

body controll module [BCM]or power controll module[PCM],witch ever one feeds the instrument cluster,HAVE BOTH CHECKED FOR DEFAULT TROUBLE CODES, or check electrical harness all the way through for grounded wires that may be causing a short & not blowing fuses,I WOULD CHECK BOTH THE COMPUTERS [BCM] & [PCM] FIRST,MOST ARE FED BY [PCM] TO INSTRUMENT CLUSTER,which controlls the battery light to alternator.
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