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Parasitic drain test found onalternater fuse what else wired to that circut

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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alicantecoli
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SOURCE: 1998 Ford Escort Radio fuse short circuting

try disconnecting *** lighter

Posted on Nov 18, 2008

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SOURCE: My 03 Silverado has parasitic battery drain. VOM

Disconnect the auxiliary power cable from the under-hood distribution center that runs to the anti-lock brake controller. Remove the ignition relay from this distribution center (this will isolate/eliminate/indicate the problem as the ignition switch). Unplug any GPS add-on device, and any radar detector, stereo amplifier add-on, I-pod, trailer brake controller add-on, anything that did not come on the truck from the factory. These can be frustrating.

Posted on Feb 13, 2010

alicantecoli
  • 22219 Answers

SOURCE: battery tests good but battery has low voltage

you cannot get this sort of information its like proverbal rocking horse brown stuff ,dont want people like me doing repairs that the dealer wants ------- what sort of amperage are you drawing ,as i suspect either a low reserve amperage battery in your terms its sulphated up and need renewing or the alternator diode pack has a diode breaking down .Trust me you test a battery with a voltmeter ,only test for a battery is a drop tester ,your car will draw power when not used ,anything from clock to alarm and radio memory ,so check the battery with a drop tester as i think this is your problem

Posted on Nov 26, 2010

  • 1 Answer

SOURCE: parasitic drain on the charging system

I had a similer problem and found out the battery was the problem.

Posted on Mar 06, 2013

rustfarmer
  • 5316 Answers

SOURCE: 2007 Chevy Equinox. Performed a parasitic draw

I would start with a test of the alternator diodes if you have not done this yet. Otherwise, sounds like a stuck relay, which sometimes can be found by carefully touching each relay to find the one that is warm or hot while everything is off. Other possibles are a glove box light staying on when shut.

Posted on Jan 03, 2015

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New alternator new battery but battery still not keeping charge what else could it be


What do you mean not keeping charged ? Battery goes dead over night ,while driving the vehicle ? Could have a parasitic drain on the battery while vehicle is parked . Do you come out to start the vehicle in the morning an the battery is dead ?

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You don't need to replace the fuse box , an you don't have a dead short to ground ! The fuse would blow ! You have a parasitic drain on that fuse . You need to go to http://bbbind.com/free_tsb.html free wiring diagrams an power distribution diagrams , see what all other fuse's are feed from that an pull them out one at a time till the draw stops. There are some good videos on youtube showing how to do this ! How To Perform Parasitic Draw Test EricTheCarGuy You'll need a DVOM !

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You need to do a parasitic draw test with a amp meter hooked up in series with negative battery post an negative battery cable ! Check how much draw there is an then pull fuse's till you see the draw go away . Find a wiring diagram of power flow for that circuit to see what all is powered by that fuse . How To Perform Parasitic Draw Test EricTheCarGuy

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Battery drains in two days on a 1969 Chevy truck by the way it's a stock 6 cylinder three on the tree


There isn't any electronics on this 1969 truck , so can't blame it on that. I worked at a Chevy dealer ship back in the Early to mid 80's an saw this problem more then a few times. I remember glove boxes stuffed so full that the light stayed on and drained the battery over night. The vehicle wouldn't start next day an they had it towed to the dealer. I have found bad diodes in the alternator cause this problem. I post a YouTube video for you , beside my test procedure ! To test for parasitic drain on the battery you have to put an amp meter in series on the negative battery cable. This vehicle shouldn't have any drain, yours apparently does are the battery wouldn't go dead. With the meter hooked up start pulling fuses till the meter shows no more drain. How to Find Parasitic Battery Drain If after you pull all the fuses an the drain is still there , disconnect the wire on the back of the alternator and see if that makes a difference ! hope this helps

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This model has issues with the security system. You might try pulling fuse 2, but make sure the turn signals still work without that fuse.

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Take the neg batt cable off put test light between batt n term pul fuses till light goes out then u found the circuit problem now u must find wut in that circuit

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Parasitic drain 2005 avalanche


remove the positive cable from your battery then connect a test light in between the cable and the terminal of the battery. at this point it will be lit up. if you have an under hood light the bulb will need to be removed as well as the radio fuse and unplug any thing from the cigar lighter. remove the dome light fuse. if the test light is still lit up then you have a parasitic drain. the first thing i would do is remove the large red wire from the back of the alternator as a shorted field is the most common form of parasitic draw, if the test light is still on and are sure that everything is off and unplugged then start removing fuses one by one while checking if the test light is still on. once the test light goes off then you have found the circuit that is causing the draw. repair will depend on the circuit

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2 Answers

My 98 lumina has a constant power draw from somewhere. I just replace the battery and had the alt tested (it was good). I have to jump the dang thing every morning but if I drive it enough during the day...


The alternator may charge fine but could drain the battery through a bad diode,have you checked the alt for a bad diode?Disconnect the battery positive cable.Put a regular 12v test light between the battery positive post and the positive battery cable.If the test light is bright you do have a drain,if dim it is OK.A dim light may mean the drain is internal in the battery.If you do have a bright light remove a fuse ,one at a time from the fuse box until the light goes dim.Once dim you have identified the bad circuit.If removing all fuses do not dim the light,disconnect the alt charging wire at the alt,if that dims the light,then you do have a bad diode.DO NOT create a drain(bright light) when checking for the drain by turning on the key or opening a door/trunk etc.
Also,do an overnight battery check by disconnecting the battery overnight,if things are fine the next morning after the battery was disconnected then it is a drain in the vehicle,if the battery is dead even after being disconnected overnight,,then the battery is bad.

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99 toyota corolla drains battery. After parking the car for a few days, it won't start...just a clicking noise. I thought my battery was bad and got it tested at autozone...the guys told me it was not...


You may have a parasitic drain on the battery.
Check the voltage on your fuses after you turn it off. Wait 5 minutes before doing so.
Hook up an Amp meter in series with the battery and see what the current draw is. If it is more than 250 milliamps you have a parasitic drain.

Jun 06, 2017 | 1999 Toyota Corolla

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