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What could be wrong if the battery light stays on and the battery still runs down on a 1996 Contour GL after installing a new battery and alternator?

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Wiki User
2008-09-21 12:01:47
2008-09-21 12:01:47

it is probably your wire harness check it out quick Rocky_B - See my entry here for more things you might want to check: http://wiki.answers.com/Q/What_could_be_wrong_if_the_battery_light_stays_on_and_the_battery_still_runs_down_on_a_1996_windstar_after_installing_a_new_battery_and_alternator

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My advice is to charge the battery with a battery charger before starting the engine. You will be putting a heavy load on the alternator if you allow it to charge a dead battery. This could damage the alternator.

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If the alternator is installed incorrectly, yes, it can drain the battery.

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the battery is dead and needs to be charged or replaced, or it could also be the alternator is going bad

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usualy if the alternator is not defective then its the battery. you should start by cleaning the battery post. then you could check the terminal wire that runs from the battery post to the alternator. if thats not it you should check the ground on the alternator.

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Probably loose drivebelt. or alternator belt of it is seperate.

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the batteries only serve to start the car and the alternator. I'm not sure if it would be your alternator but it's not the battery.

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This could also be alternator problems as in a bad diode in the alternator.

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start the car remove the posative battery cable the car should stay running if not your alternator is bad if it keeps runing with no help from the gas pedal have your battery checked

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Possibly a bad alternator. The Alternator charges the battery when the vehicle is running. If the battery is not being charged this could cause the vehicle not to start.

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If the alternator is good and the battery does not charge, then the battery may be bad. There could be problem with the electronics. You will need to take it to a place where they sell batteries. They have equipment to check out the battery and the wiring.

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Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. If the battery and alt test ok than check the connections to the alternator and battery.

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Bad starter.. direct ground..... stero equipment IG: amplifier being improperly wired . and it is possible to have the wrong alternator or a faulty one. Bad starter.. direct ground..... stero equipment IG: amplifier being improperly wired . and it is possible to have the wrong alternator or a faulty one.

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If you have already checked the connections on the battery I would suggest testing the alternator and the battery. If the battery will not take a charge or the alternator will not give a charge you could have similar problems.

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If the battery and alternator are both good, Test them to be sure, then you need to take a multimeter and verify that the power from the alternator is actually reaching the battery. It could be a simple wiring problem

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test the voltage on the battery first, then on the alternator. If its good then it could just be the diode in the alternator. I would suggest you replace it becuase eventually your alternator will die and the battery will not get charged leaving you stranded somewhere. It is possible to just be a battery but you wont know unless you have the battery tested. check the voltage on the battery and the alternator before you do anything else.

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It could be an alternator. Check with a mechanic if that is the issue.

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Battery and brake light coming on means the Alternator is not charging the battery . It could either mean a bad circuit connection or the alternator is just shot. Have the Alternator checked.

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Well, It could be your battery or alternator or both needs to be replaced but it could just be loose or corroded battery cables

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Bad alternator, voltage regulator, or battery. Also a loose or corroded cable or bad cable.


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