Question about 2000 Mitsubishi Montero Sport

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Electrical The batery Charging system is not workng and it drains the batery

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Sounds like you need a new alternator. If you know how to take your alternator out (consult a chilton's), take it to autozone or a similar parts store and they usually have an alternator tester. If it is bad, buy one from them and get some money back for the core. If you can avoid taking it to the shop, do it, because they will way overcharge you and the alternator is easy to replace. Usually it is just a couple of cables, and a tensioner that you can loosen to take the belt off so that you can remove it.

Posted on Jul 21, 2008

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These two faults (no charge & battery drain) indicates a fault with the alternator specifically either the voltage regulator or any of the diodes. Though it is possible to repair them individually, it is more to your advantage to replace the whole alternator.

Pls be reminded though that the battery + terminal is directly connected to the alternator's output and therefore safety precautions preclude that the battery terminal be removed. However, doing so could and would reset the car's computer. Additionally, most car stereos would require a security code in the event battery terminal is removed.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Jul 21, 2008


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Batery wont charge when u jump,, new battery 5 months ago

You need to go to auto parts store and have them check that the alternator is charging the battery. They do this for free. Also have them check the battery to make sure that there is not a bad cell in the battery. This can happen from time to time. if all of that is good u may have a drain on the battery. Check that all lights go out when u shot down the car.

Apr 27, 2014 | 1997 Mitsubishi Montero

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well you need to check the main fuse in the engine compartment also there should be one under dash for battery, or it should say charge.

Feb 16, 2014 | 2000 Kia Sportage

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Staring problem

You need to have the battery charged and checked to determine if it is worn out. If the battery is good, then something must be draining the system.

You can get free battery checks and charging system checks at most major autoparts stores.

Please rate my info.

Jan 02, 2013 | Cars & Trucks

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Battery light is on

In about 99 percent of cases, when your batery light is on it means you are having a charging problem. Just because it is a "Battery" light, it doesn't mean your battery is bad. The only thing the battery does in a vehicle is basically start the vehicle. Your vehicle's charging system like the alternator takes over all electrical systems and runs the vehicle. I'm not sure of your model so I can't say if you have a blown fuse or anything but more than likely you nave a faulty alternator. This is the most common thing when your batery light is on. I hope this helps....

Jan 01, 2012 | Mercedes-Benz Cars & Trucks

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Batery light would come on when accelerating up to freeway speed or when going over a big hill and head lights would dim. Mechanic said alt/gen/bat all good, car still seemed to drive fine otherwise....

the voltage regulator is bad inside the alternator. it seems to be getting hot and kicking off the charging system. the last time it has drained your battery.

Aug 13, 2011 | 1999 Mercury Sable

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Hi i am working for neavy as a technition we recantle observed an electrical problam that is in a statof a fresh day self is no lifting(starting),once if it is push started we can not find the same problam...

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Jun 20, 2010 | 1992 Daihatsu Rocky

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I had a gradual loss of electrical power while driving a 1999 Ford Escort, resulting in surging and eventual stall. I had the battery load tested and it was acceptable. The alternator was only putting out...

Test the alternator again to make sure it is putting out the correct voltage. Also if you have a bad connection on the battery and battery cables you can cause arcing and that can drain you battery and will also cause the car to lose electrical power and stall like you had happen. Buy a batter terminal cleaner at any auto parts store and give the terminals a good cleaning and then tighten them down so they dont move.

Mar 03, 2010 | 1998 Ford Explorer

1 Answer

It wont crank like not getting power

ok sounds like you have a dead battery
1) if turns but slowly:

posible causes:
1.1) old dead batery/
or underchaged battery >check altenator in this case

did you leave your headlights turnt on and drained the battery of its charge?if so get a jump start and then run the car for 30-45 mins to rechagre the battery

if you have at your disposal anothere batery that you know has a good charge
try starting your car with that batery(not using jumper cables) hook it up!
if the slugish turn over is still there

1.2) check your wire conections for corision this means completly disconecting 1 lead at a time (only on one end of that lead)and cleaning them with a wire brush or some sand paper.
(on the battery and the starter also the ground strap conection to the frame.)

posible causes:
2.0) dead battery >try charging it>get a jump start
2.1) blown turnkey igntion fuse
2.2) blow fuse for main har nes wires
2.3) bad starter
2.4) corosion on wire conection (most often the batery terminals)
2.5) starter replaced and hooked up incorectly.

2.6) alram system preventing the turnkey igntion system from getting power

Feb 24, 2010 | 1994 Mazda 626

1 Answer

Why would my lincoln navigator drain my batery

something is grounded out, first place to look is the alternator ,disconnect it overnight, check battery in the am,if battery is still drained than battery could be bad. these are common problems in the charging system.

Jan 18, 2010 | 2003 Lincoln Navigator

1 Answer

New alternator and batery still not charging

Not enough information. When was the alternator changed and was the battery fully charged before trying to start after installing new alternator. If not the alternator could have burnt up. Have electrical system checked free at Advance Auto.

Jul 07, 2009 | 1999 Chevrolet Malibu

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