

| Subject: | Re: Something draining my battery |
| From: | randy velasco |
| Date: | Tue, 6 Dec 2011 16:56:44 -0800 |
Hi all I wanted to thank everyone for the help with this issue. I changed the battery and now i am checking all the wires and fuses. I will Let you know how it goes. Thanks Randy On Fri, Dec 2, 2011 2:52 AM EST Dennis Haynes wrote: >First of all you should never disconnect the battery while the engine is >running. The battery is part of an engineered load and filter for the >alternator. Disconnecting while the alternator is producing current can >create a sudden voltage surge before the voltage regulator can react. This >surge is detrimental to the alternator itself and can damage anything >electronic including the ECU. > >Yes something can be draining the battery. Yes, the battery can even be >defective. 4 months means little. Yes you can also have a wiring problem >between the battery and the alternator. Make sure the indicator >light-trigger circuit is working. If not the alternator may not always turn >on. > >Dennis > >-----Original Message----- >From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of >randy velasco >Sent: Tuesday, November 29, 2011 8:43 PM >To: vanagon@GERRY.VANAGON.COM >Subject: Something draining my battery > >Hi All, > >So this weekend while working on my 85 Vanagon I was not able to start the >van. Which is strange since the battery was only 4 months old. I jump >started the van and it ran for 20 minutes, After the 20 minutes I >disconnected the negative wire from the battery and the van shutoff. I >turned the van back on and disconnected the negative wire again and again >the van shutoff. Now I knew this could be the alternator. So I changed the >alternator and ran this test again and again the van shutoff. > > >I bought a voltmeter to test the battery and alternator and the new >alternator reading was 11.40 volts and the battery reading was 12.4 volts so >I knew the new alternator was not working properly. I reinstalled the old >alternator and tested and the reading was 13.98 volts which means the >alternator is working properly.So I went back to the battery and >disconnected the negative wire and the van shutoff. > > >Please help! What should I be looking for? Something is draining my battery. > > >Thanks > >Randy >
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