Question about 2000 Chevrolet Silverado

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I have a constant draw on my battery that goes away when I remove the 15 amp radio fuse. Any ideas as to a possible short in the miles of wire? The truck is a 2000 silverado, 4x4, 4.8 engine, extended cab, std shift. I have unwired my fire/rescue light, radio and electronic break system. I removed the radio and the draw still is their. None of the guages in the instrument panel seem to be shorted. They are all functioning fine. Thanks Mike

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Check the ground for your rescue lights and trailer brake...and then RE-DO them anyway.
Good Luck

Posted on Jun 26, 2009

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My 2009 pt cruiser battery goes dead overnite


I had this problem as well on a earlier year PT Cruiser, i tried everything i could think of, removing fuses one by one while watching the current draw on the battery led me to the radio, after pulling the fuse for the radio the current draw dropped down to about 150mA, i don't know what was wrong with the radio but i replaced it and the problem went away. The IOD fuse supplies power to the ECU and all of the electronic control modules in the car, how much current draw are you seeing with the IOD fuse in, and how much are you seeing with it out? Its not uncommon to see a couple hundred mA in standby to everything, especially if you have the factory security system with immobilizer, chipped keys. But you may have to pull one fuse at a time to find the culprit if you are seeing a much higher draw, should be less than 1 amp at the worst.

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98 Jimmy has a power draw it kills the battery within 12 hrs if you pull the 50 amp fuse for the int batt draw goes away any ideas


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Sep 14, 2015 | Cars & Trucks

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I have a constant power leak on my 2000 Lincoln LS v8 39L I've light tested both fuse boxes and I've came up with two fuses the AC Clutch and the PJB what should I do to fix these problems


If by 'power leak' you mean 'system draw', swap out the a/c clutch relay with another relay in the box (lights, horn) and see if your draw goes away. Ford had a problem with their relays staying on. Don't forget, high end Ford/Lincoln cars take 15 - 20 minutes to power down their systems.

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1984 ford f250 inline 6 Have replaced battery, alternator, starter solenoid, starter, and voltage regulater, along with battery cables. Battery is being drained when the truck sits more than 15 hours....


If you don't have any idea what to check next, maybe now is the time to take the vehicle to an auto electric repair shop that specializes in tracing wires. You may have a short to ground somewhere, or an accessory, that is drawing current when the vehicle is off, to the point of making the battery go dead if sitting more than 15 hours.

One check that you could do yourself, with the proper tool, is to check the amps being drawn when the car is off. If the amps drawn is above .2 Amps, then it's too high of a draw. The symptoms you describe sound like it is more like 2 or 3 (or more) Amps being drawn on the battery.

Try to remove fuses to various accessories to see if that reduces the amp draw on the amp meter.
I would use an Amp meter that is inductive and has a claw that opens and surrounds the positive or negative battery cable and measures current without having to actually remove any cables from the battery, and connect in between the battery terminal and the battery cable.

Let's say, for instance, that it was an accessory like a radio that was drawing an inordinant amount of electrical current. Then, if you removed the radio fuse, the draw should go from 2 or 3 amps down to below 0.2 amps. So, that's what I would do to try to narrow down the possibilities.

Good luck on this repair.

Jan 21, 2011 | 1984 Ford F 250

1 Answer

Battery is going dead every night with a 1.5 - 3 amp draw on my battery. I have a 1992 buick regal gs 3.8L


You need to eliminate some possibilities.
While reading your amp draw, you can start by pulling fuses. Make sure you don't have a glove box, trunk, or hood light on.
I have had an alternator issue that had a constant draw. I removed the large wire on the alternator and the draw went away. You can do this for your starter also.
Pulling relays may also help, just go one at a time.

Dec 24, 2010 | 1992 Buick Regal

1 Answer

5 amp problem causing battery to die out....had diagnosic done..no problem new battery, alternator good and starter good...but still showing a 5 amp draw.....tested all interior exterior lights good...no...


The easiest way to isolate a draw is by pulling fuses one at a time. When the draw goes away you can research the circuit that the fuse supplies power to.

Dec 06, 2010 | 1997 Jeep Grand Cherokee

1 Answer

My 2000 chevy blazer is having battery issues.i have had the battery a year and replaced the altinator a year ago,and something keeps draining the battery.I can't seem to figure this one out


if you have an volt meter capable of reading amperage you can check for a draw fairly easily.

Turn off the vehicle, remove the key, unplug any accessories from the 12 volt (cigarette) outlets, and disable the under hood light if equipped.

Disconnect the negative battery cable from the battery. Install your amp meter in series, one lead on the negative terminal of the battery and one lead on the negative terminal of the battery cable. You should see less than .050 amps. It may take up to 20 minutes for everything to power down so don't worry if you see more right away.

If after 20 minutes it does not drop lower than .050 amps you have a draw. You can start removing fuses from the underhood fuse block one at a time. If the draw goes away than you have just narrowed down the possibilities to that circuit. Post what fuse you pulled and I can help you further.

If none of those fuses cancel the draw remove one of the test leads. Open the drivers front door and remove the courtesy lamp fuse from the instrument panel fuse block located behind the access panel on the end of the left side of the dash. Reinstall test leads and then start removing those fuses one at a time.

Some common draws are aftermarket stereos, glove box lights, visor mirror lights,

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3 Answers

The battery goes dead in a day or two. Have checked resistance 0.75 ohm with all fuses removed same with hot wire removed on alternator did not remove main fuse in engine compartment has a new battery...


Remove either of the battery cables from the battery and put an ammeter between the cable end and post. start pulling fuses till the draw disappears or gets substantially lower. which ever fuse you pulled serves the circuit that has the problem. I'm certain you had the battery load tested ???

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IBCM current draw


Try taking out the radio fuse as it could be the radio memory which has a constant supply of low amp power so you dont lose station settings

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