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Posted on Mar 16, 2010
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Not charging need to replace - 2001 Mercury Cougar

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  • Master 2,317 Answers
  • Posted on Mar 16, 2010
Anonymous
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Joined: Mar 05, 2010
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I would check the fuses for a bad fuse. Most parts stores will test your alternator for free. Is the battery light on? Alternator belt tight?

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1answer

Mi Ew36 is about 6months old, but now the charge lasts only half the distance compared to when it was new. What could be the problem?

First, I'm not a EW Tech.
* Check your warranty and call for service.

*** The following is for information only.***
* Most power loss and low power stem from blown fuse(s), broken or burnt wires and/or connectors. Locate and replace bad wire.
* Problems with charge or gradual power loss is usually the battery system. Since this is most likely a Lead Acid battery (flooded or Gel) then those need to be checked (load tested) and replaced. Do not expect these batteries to last forever. Most will last about +200 charge cycles. Less if the battery is stressed (deep discharged,High temperatures, Over charged).
* Lead Acid batteries concider a charge cycle to be when ever charging. Even if the charger is removed prior to a full charge and discharged, this is still a charge cycle. Short charging is not recommnded. Top off charge is a cycle charge.
* Follow your MFR charging instructions.
* Check Battery; https://www.youtube.com/watch?v=mgEiNp8l_PE
* Check Fuses; https://www.youtube.com/watch?v=rgK2l6cMCc4

* Review EW36; https://www.youtube.com/watch?v=K_NcgxUgAvE
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Aloha, ukeboy57
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Replaced battery and terminals 04 taurus 3.8 ground is O. Side post, positive on top!lights work, won't even jump off , there's clicking noise as long as u hold key in start position ? What's wrong

Make sure you battery is fully charged before trying again. If it starts and drains again then you have an alternator that needs replaced. If it is fully charged and you still get nothing but a clicking then you need to replace the starter.
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Alternator is not charging the batteryonmy1990dodgeramvanb250

Check your alternator belt. Check/charge the battery. If the battery will hold a charge for a while, you can disconnect the negative cable from the post while the vehicle is running. If the engine stops, you need to replace the alternator. If the engine continues to run, you need to replace the battery.
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My battery want stay charged up

If your battery is older than 3 years and you live in an extreme warm or cold envirnment, chances are one of the cells is dead. You will need to replace the battery if it wont hold the charge. Also bring the vehicle to an autozone or advanced auto parts store and have them do a free diagnostic on the alternator and voltage regulator. If the alternator is bad then that could also be your problem where the battery wont stay charged. A rule of thumb is that if you replace the alternator you should also replace the battery so as to avoid the new alternator from working overtime to try to bring up the charge on an old battery. These auto parts stores can also do a load test on your battery to see if it needs to be replaced free of charge.
1helpful
1answer

Cranking and running

Yes, the batteries can go bad like that. On the battery, there should be a date of manufacture. Anything over 4 years, and especially over six need to be replaced. After continuous charge/discharge by the alternator over time, the battery will slowly lose the ability to hold and maintain charge.

Check the cables attached to battery to ensure they are free of corrosion, are tight, and clean. Also once you get running, check the charging system. It should charge via your dash display at least 12.5 to 14 amps. If the needle is not showing positive charging, then the alternator may need to be replaced.

Hope this helps!
Chip
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2002 kia spectra won't start. I got a jumpstart and it starteded but cut off after about 2 minutes and would not restart.

Sounds lie the battery is not getting charged by the alternator. If you slow charge the battery overnight and it retains a charge for a while then eventually dies, it may be good and the alternator needs to be replaced. If the battery does not hold a charge, you will need to replace the battery and have the alternator tested to see if it is faulty.
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1answer

Car won't crank after replacing with new battery

Check to make sure the battery is charged the parts stores say they are charged when buying them but the batteries only have what's called surface charge they need to be charged. If this does not do it make sure the battery cable terminals are clean and tight, if it still doesn't start the starter may need replacing, Have the battery tested first sometimes you can get a bad battery even new.
1helpful
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Overcharging?

It has to do with the charging system. There is a relay that needs to be replaced on your alternator.

You dont need to replace the alternator here.

Good luck.

Rate this please.
1helpful
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Battery replaced - won't hold a charge. Is the alternator the problem?

THE BATTERY IS ONLY FOR STAR THE CAR. WEND THE THE CAR IS RUNIG ALTENATOR IS CHARGING THE BATTERY FOR NEX TIME YOU NEED TO STAR THE CAR . CHECK CHARGE ON THE ALTENATOR . IF ALTENOTOR NO CHARGING REPLACE.
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My battery is boiling and smelling. Is it a faulty battery, or is my alternator causing it to over-charge the battery?

You need to replace the battery to start with. you cannot test the charging system with the battery the way it is or you will get a false reading. Once you replace the battery, you can then test your charging system to see if the alternator is causing the problem. If its charging more than 14.8 -15 volts, its too much and you will need to replace the alternator.
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