Question about Ford Transit Connect

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Battery light I hAve a 2010 ford transit and the battery light came on so I went to have the batter tested and it tested bad so I replaced and it didn't fix the problem so I figured it was the alternator so I replaced the it as we'll and it didn't fix the problem and I seen that this van has problems with the wire loom that goes to alternates so I purchased from dealer and replaced and it still is on! Any suggestions?

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  • Rich
    Rich Jan 05, 2014

    I tried a few things you guys listed the amps where correct, and there was no inn line fuse to be found, I took to the dealer and they said they have alone of issues with the auto zone alternators and this must be the issue , is cost $800 to replace and this did not fix it... And there comment to me was well my alternator was bad anyways so we need to take care of that to better read the car "such crap" now they are thinking it\'s the battery junction box and they want to charge $2400 to replace this and this my not even be the issue this is what they are recommending , any thoughts out there .?



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  • Ford Master
  • 3,103 Answers

Need to check for system operating voltage..should be around 14.5 -16.. this could be why the light is on..also may need computer ecm memory erased..these computers always need the prior codes erased after any work is done.. failure to do so will cause lights to come back on..

Posted on Dec 29, 2013


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Posted on Jan 02, 2017

  • 51 Answers

SOURCE: Battery Charge

The best way is to get a voltmeter and check the voltage of the battery with the truck running and not running. When the truck is running, the voltage across the battery terminals should be aboput 14.9 volts (showing the alternator is charging the battery). With the truck off, the battery voltage should be about 12 volts (showing that the battery is holding the charge). From there, you should be able to tell which is bad.

Posted on Aug 14, 2008

  • 193 Answers

SOURCE: Charging Light On After Replacing Alternator/Battery1999Windstar

Hi, I can't tell you exactly what is wrong because there is too much involved at this point, what with 2 shops working with it, but I can give you some advise on what else to check. On the alternators and the wiring that supports them a small volt charge is taken off one of the slip rings, where the brushes ride, for the purpose of turning out the light. As I remember, this is a yellow wire that runs back to the dash.

To the alternator, it would be one of the wires that plug into the side of the alternator case.

Posted on Nov 27, 2008

  • 3113 Answers

SOURCE: Alternator keeps going bad - three so far. Battery light flickering off/on now.

Having worked for an Isuzu dealer I have seen this a lot with aftermarket alternators from places like auto-zone, napa etc. For some reason they will do strange things in these vehicles. The fix was to get a Isuzu alternator. We did have good luck with Beck Arnly alternators also. We also had a local rebuilder repair some with good luck too. If all else fails get a used one.

Posted on May 05, 2009

  • 4669 Answers

SOURCE: Batter Light On, Ford Explorer

Does the alternator work? Does the light go out if you unplug the plug in on the alternator?

Posted on May 16, 2009

  • 1055 Answers

SOURCE: battery light still coming on after battery and alternator replaced

is the battery going dead? if so then you have a short , also colud be a pully locking up not letting the belt turn properly

Posted on May 30, 2009

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