Question about 1998 Cadillac DeVille

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Electrical - a curcuit is draining battery over a few hours. Have pulled each fuse in both panels at left front wheel well, one at a time, and "drain" does not stop. Got small sparking at batt. when reconn. neg. cable each time. Any suggestions ? Batt. is several years old and now suspect !

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Check your alternator or starter go from there

Posted on Sep 02, 2010

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You can eliminate the battery by taking it to an auto parts store they can check your charging system to see what is or is not wrong. It may be the battery but it can be the clamps on the battery, starter, outlet/lighter, radio. I hope this helped tim

Posted on Sep 02, 2010

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Drains battery while sitting


Here is how to detect a drain in system! Use a test light, Hook up test light to the negative terminal on battery. ( unhook terminal first.) connect opposite end of test light to negative on battery. If a drain, light will be on. Start pulling fuses from fuse box. when the test light goes out, that is the problem curcuit. let sit 3to5 minutes before pulling fuses. Good-Day!

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remove negative cable from battery, hook up a test light to the negative terminal. opposite end to negative on battery. start pulling fuses, when the light on tester goes out. thats the bad curcuit that is draining battery. wait about 3 minutes before pulling fuses. Good-Day!

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2001 Ford Focus SE : Ignition will not start...Clicking noice behind fuse panel (left-bottom under steering wheel). Tried everything cant get it to start. Fuses are good...relay?? sensors?? HELP!


(wipe down) id bet that did it, huh,water where it never belongs.for sure.
nobody can answer the IMMO options. its and option. and we can see car? so????
this can happen to any, car any make, using water.
let it dry out, it will start.
use a heat gun (hair dryer) if in hurry.

most cars with 13 year old spark parts will fail wet.
hell even new parts.
tap water conducts electricity. HV for sure.

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1 Answer

Battery goes dead while car is sitting


It wouldn't be the starter. It will not draw current when not engaged. Could be a light left on, a trunk light, glove box light, under hood light-an unintended drain, somewhere. Sometimes a penny or something gets stuck in cigar lighter and keeps that circuit on.
You should check if alternator is fully charging up the battery after it has run, and then turned off. But if you don't have a voltmeter handy, try this: When you shut if off to sit overnight, take the negative battery terminal off the battery. When you get ready to start it, hook up the battery and see if battery is no longer weak. If battery is now good, you do have an unintended drain. If battery is weak again, check charging system, battery cables and connections, alternator connections-a loose connection will prevent battery from charging.
If you have a drain, turn everything off and remove key. Pull the bulb out for the underhood light. Take negative off battery again, and hook up a testlight between the negative battery cable terminal and the negative battery post. If something is pulling current, the testlight should be bright. Now at fuse panel under dash, pull fuses one at a time and watch the testlight. If you pull a fuse and the testlight goes off, that circuit has the unintended drain. Check everything on that circuit.
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I have a 2001 nissan sentra that the battery tests good, alternator tests good, but will only run for about 20 minutes then slowly dies and the battery has to be recharged, any ideas on the problem?


if alternator and belt are ok, then check the ground for the neagative on batteryor the cable end itself. car running accessories off, then you should have at least 13.5-14.5 at battery! if less then 13 volts with everything off. then alt, or wiring is the problem. make sure battery terminals are clean and tight at battery. take negative cable off battery while its running. if it quits its a bad alternator, if it stays running alt, is ok. check all the fuses and relays, just to be sure. if you think you have a drain on battery. remove fuses and relays one at a time, until you find the one curcuit thats causing the drain. then replace that fuse or relay. do not pull the pcm fuse or other kam-sensitive modules until you have checked the other curcuits. if the pcm is not getting proper voltage, it will die out ! battery could be weak! battery voltage by itself should be at least 12.68 volts this is at 100%. good-day !

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My car battery keeps getting drained. what is draining my battery.


Are you sure that you have a problem with something draining the battery, or do you have a problem with the alternator not charging the battery? I would have the alternator tested to make sure of that before spending hours and hours troubleshooting electrical problems.

Basically, to check a problem like this you will need a clamp on amp meter. Then you pull fuses from your fuse panel and see where the drain is. Make sure you have a good layout of your fuse panel and fuse sizes (a digital photo is also a good idea) before starting, so you don't introduce problems.

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My car drains the battery. It is not the electric driver's seat - I've had that checked. The digital radio display goes dull at times; on occasion it flashes on and off like a Belisha beacon. Could...


Are you sure that you have a problem with something draining the battery, or do you have a problem with the alternator not charging the battery? I would have the alternator tested to make sure of that before spending hours and hours troubleshooting electrical problems.

Basically, to check a problem like this you will need a clamp on amp meter. Then you pull fuses from you fuse panel and see where the drain is. Make sure you have a good layout of your fuse panel and fuse sizes (a digital photo is also a good idea) before starting, so you don't introduce problems.

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Audi tt quattro 180bhp2000 conv keeps looseing power


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1 Answer

Battery drained charged now will not start


In my 2000 Durango, after changing the battery it again failed... figured out that the rear window wiper motor has aged so much it had difficulty wiping, then the last time I used it, it couldn't make it back to the "parked" position so it was always sucking juice to try and make it the last 1-2" so it could release from the battery grid.
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