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  #181  
Old 08-16-2018, 09:03 AM
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I checked the battery this morning and it doesnt seem to be holding charge. Charge read 11v which is normally enough to start up, when turn the key it briefly attempts to turn over and the battery goes down to 0, then when I disengage the key it slowly climbs back up near 11.

I seriously hope its not the alternator again, I just replaced that again last month. The previous owner seems to have adapted it use an internally regulated alternator. I have removed the battery to have it tested and hopefully traded in tonight. This has happened before with it suddenly not holding a charge.
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  #182  
Old 08-16-2018, 10:30 PM
Paul Steinberg Paul Steinberg is offline
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What brand of battery, and where did you purchase it?
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  #183  
Old 08-17-2018, 09:12 AM
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It is a Super Start Extreme battery from O'Reillys. I took it in yesterday and they were going to charge/test it overnight. Last time this happened was April and they went through this and it still wasnt holding a charge so they replaced it under warranty.

Will only driving the car once a week, in a short distance cause the battery to prematurely fail? Obviously if this has happened to me several times the root cause may not be the battery, could it be driving habits that are causing this failure? Could the battery's water be evaporating while not in use for a week? Or could it simply be that I deep discharged it by having a light on and it was permanently damaged in the process?

It is very handy to have the battery gauge on the pillar from the past owner, because I can watch the alternator charge the battery in realtime. Its one of the only non-original things I might actually keep.
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  #184  
Old 08-17-2018, 10:05 AM
Peter Grave Peter Grave is offline
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Sounds like just bad luck with batteries. If you want to try it disconnect battery when you let it sit. Other possibility is you could be overcharging battery and buckeling the plates. The battery seller should be able to tell you if thats the issue. God luck1
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  #185  
Old 08-17-2018, 10:07 AM
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That brand name has been know for bad electrical parts. Just saying no real experience with them as they are not in my location. Nothing but over charging or freezing will destroy a new battery. What is the amp out put on the gage after you have had the car running a bit. It should go up to a high amp right after starting the drop back till it just on the Plus side. If you kept a volt meter then it should read at about 13 volts running. You can run a battery down playing with things but it takes time to do so .
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  #186  
Old 08-17-2018, 12:23 PM
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Well on the night that I started it after charging it it was sitting at 11 before i started it. Once it started up it jumped up to about 13. If I gave it some gas it would go up to almost 15. Once I killed the engine though I watched the gauge slowly go down until it stopped right below 11V.

Did this several time, starting up, idling then shutting off and was the same result each time. Next morning it was dead.

I'm going to revisit oreillys after work tonight and see their test went.
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  #187  
Old 08-17-2018, 10:25 PM
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so all you have is a volt meter. it would appear that the battery is not holding a charge,
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  #188  
Old 08-18-2018, 01:00 PM
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Well they said it tested as a good battery. Its holding charge fine now though after being on their charging machine.

Ran the beacon through a few parking lots and my neighborhood and its still full this morning. So its in good shape now. Going to hopefully put that hood stopper on this weekend as well.
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  #189  
Old 08-18-2018, 01:39 PM
Peter Grave Peter Grave is offline
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OK now disconnect the battery tonight when the coach sits over night hook up in AM and see what you have.
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  #190  
Old 08-18-2018, 03:52 PM
Paul Steinberg Paul Steinberg is offline
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I would like to see if you disconnect the battery and put a test light between the positive terminal and the battery cable, if the test light illuminates. With everything in the car off, it shouldn't illuminate. If it does, then you have something that is drawing the battery down, and you need to figure out what that is.
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