Question about 1998 Chevrolet Lumina

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My battery and my alternator are fine but something keeps pulling 1.63 amps from my battery. what is the problem?

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First, do you have any add-ons on this vehicle. You may have to unplug some things to see if the drain slows down. Could even be the security in the PCM. My suspect at this time is the alternator. Un hook the power wire to teh back of the alt. AND dont ground the wire or the wrench you use on it. The see if it is draining. Diodes can go out or stick inside.

Posted on Feb 07, 2010

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Engine-Battery


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TEST STARTER AMP DRAW,______AMPS INITAL,_____
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Usually that fuse powers the alternator and the fuse box.
It would have to be a big short to ground to blow that fuse.
Its possible the main wire to the alternator is touching a metal spot, or the alternator is shorting out inside when it is running.
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Is the battery new? Does it start fine until it sits overnight? Have you checked the alternator? Does the battery have sufficient cold cranking amps,dead cell? Is an interior light staying on, glove box light? Do you have an aftermarket stereo with an amp?

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My car battery keeps getting drained, i changed the alternator twice we checked the fuses as well, the alternator is fine and fuses our fine the battery is new but is drained, please help


You need to put an AMP Meter in series with either battery cable, and then look for a circuit not timing out,after you remove the key.
May take 20 minutes.
Anything over 40 Milli-Amps is too much
Start pulling fuses one at a time, to find circuit, then you need a wiring schematic of complete vehicle to find problem.

I always purchase shop manuals and wire diagrams, as soon as I buy a new vehicle. Will need owners manual -for fuses.

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1988 cutlas siera 2.8 replaced starter, had alternator cheked replaced cps, had coils and modular checked ecm works fine, won't hold charge something draining battery, anything else possible


this is teh generally most over looked problem, 99% of the time the glove box light stays on and you would never see if from inside the car. try removing the bulb and see if that solves your problem

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Battery wont keep charge. have tried a new alternator, and battery neither does the trick. can jump start the car and as long as it is ran often it starts fine. but if allowed to sit for any sort of...


You have a draw in the system,something is pulling 12 volts,when the vehicle is not being used,now some draws are normal,but they do not draw but small amounts of amps,like one half amp or lower,you are looking for something drawing much more,also,if the battery is not up to par,this could be all that it is,but check for a draw.

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1 Answer

Battery keeps going down alternator and battery


Put an ampere meter in series with one of the battery cables, and check the current draw. You will have up to 40 mili-amps all the time. If more,after 15 min with key off,something is not timing out. Then you start pulling fuses one at a time until you find the circuit.

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I have a brand new battery in my 2000 Honda Civic & the car will not start now. The battery was installed 2 days ago & the car started just fine & ran fine, but then I didn't drive it for 2...


Check the function of the alternator. Charge the battery with a battery charger or jump start the engine. While the engine is running use a voltmeter to check the voltage at the battery posts. Red to + and black to -. You should have between 13.5 − 16 volts. If you do not the alternator is bad or the drive belt is loose. If the alternator checks ok then something is on that is drawing power from the battery and running it down. Check under hood, trunk, glove box, and interior lights. Can also be a brake light switch causing the brake lights to stay on. In rare cases it can also be a stuck relay such as a power window relay. From you description I think you will find the alternator is ok and your problem is something is on and running the battery down.

Jan 06, 2010 | 2000 Honda Civic

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