Question about 2000 Ford Explorer

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Alternator/Electrical?? SUV running fine, drove 35-45 mins and parked. Returned from shopping it wouldn't start. Seemed as though battery was dead so purchased a new battery. SUV started right up and drove 35-45 mins. home. Just 1/8 mile from home (country road & no street lights) noticed that headlights were dim. Drove into my driveway and shut the vehicle off. Guessing it might be the alternator, I tried to restart it and it wouldn't start. Next morning it started right up so I took it to my mechanic who ran it for 45 mins. and took it for a test drive thinking it may be shutting down once it got heated up. The alternator was charging perfect so he's at a loss as to what the problem is and suggests to drive it til .....I'm left stranded.....I guess! HELP???

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  • Lynda Nov 11, 2012

    Good Morning...... Thanks to everyone for your collective advice. Cleaned the battery posts and terminal ends but didn't solve the problem. I wasn't able to find anyone to implement your "wire" solution so ended up locating an alternator at a wreckers .....came with a 30 day warranty and a cheap purchase price so decided to go that route with the help of a willing friend to install it. I would certainly recommend your site to anyone willing to listen! GOOD PEOPLE! GOOD ADVICE! Thanks again.....Lynda



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Test the alternator charging capability by connecting a volt meter to the battery terminals and starting the engine. The voltage should be at least 13 VDC.
If it's less it will not charge the battery enough.
Hope this helps.

Posted on Mar 29, 2015

Testimonial: "Thank you for your so happens that the 2000 bit the dust but I'm driving an 07 Explorer and certain things are beginning to work intermittently on it as well. It appears they(Fords)may all be tarred with the same stick so I'll be able to apply your advice and knowledge to this one also:) They sure do make a pretty SUV though!:) Thanks guys!"

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Check the connection on your battery terminal ends. if they are loose or corroded that could explain the intermittent no spark. also could be a short somewhere but id check the terminals first. I had that problem once and the car did all sorts of weird things. airbag light, check engine light, randomly wouldnt start until i would mess with the battery.

Posted on Nov 06, 2012

  • nickloss
    nickloss Nov 06, 2012

    I meant no start NOT no spark, even though my car developed a miss when my terminals were shot

  • Lynda Nov 06, 2012

    Hi Nick .....thanks for your input. The battery posts were cleaned and the ends as well. They were reattached very securely and the cables didn't seem to be loose at all but will have that re-checked! Thanks again


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Your problem description can be summed up as "BATTERY LOSING POWER WHILE DRIVING". Your being able to start next morning shows good battery. If as you say alternator is good then your problem is a disconection between battery positive and alternator positive terminal. Link these 2 directly with a 6sq, mm plus wire and run the car for 45 minutes.

Posted on Nov 06, 2012

  • Lynda Nov 06, 2012

    Thank you......I'll get my mechanic to try this! Is this disconnection something that would happen all of a sudden as I had no problems prior to this?

  • Lynda Nov 06, 2012

    Also....does this mean that the alternator is dying? Should I just replace it and be done with it? Thanks...


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after another check,determined it was bad alternator

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SOURCE: I have a 2004 V-6

sounds like alternator

Posted on Aug 11, 2012

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