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Also the test light between neg cable and light goes out when i pull out fuse on # 20 in cab

The battery still drains slowly

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Read your question

You have no vehicle

How would anyone know what fuse that is anyway

Posted on Jan 09, 2013

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Posted on Jan 02, 2017

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SOURCE: 1998 jetta battery drains over night. pulled neg

Unhooke your altinator it has 6 diodes in it if one is bad it will drain the battery and still charge,unhook it and recheck I bet that is your problem,Thanks and I hope this helps

Posted on Oct 01, 2009

  • 92 Answers

SOURCE: battery drain I put test light between neg

Hope this info helps

Posted on Jan 13, 2010

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SOURCE: trouble shooting battery drain problem I have

pull each individual fuse untill the test light goes out.also unplug the fuse to any clock or tradio memory first

Posted on Aug 09, 2010

SOURCE: my 1997 grand cherokee has

OK this should be simple to locate - you will need a ammeter. Disconnect the negative lead on the battery. Connect the ammeter in series between the disconnect lead and the battery terminal and with everything off take a note of the current draw. Switch on an interior and note the extra current drawn. With everything off (door closed etc) check the current. Ordinarily this should be very low, perhaps just enough to keep the clock running and the anti theft system active. Open the fuse box lid and remove and replace each fuse in turn noting any change to the current reading. Each fuse corresponds to an electrical circuit and by a process of elimination you will hit on the culprit circuit, the one drawing current and killing the charge in the battery. Most times the guilty party is a glove box light that fails to go off when the glove box lid is closed, the problem here is that when the lid is closed you cannot see if it switches off as it should. If it is a short you will have to locate the break in the insulation and fix this. In the mean time you can assess if you can run the car safely without the offending circuit having its fuse left in, better to have car that starts than say having a sun roof that is temporarily out of action

Posted on Aug 17, 2010

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