[TR] battery discharging

don don at napanet.net
Sat Oct 11 15:30:24 MDT 2008


(I changed the name of the thread, since I am straying from TR6 to TR8)

>I had a battery discharge problem on a TR8 which I bought about 8 years 
>ago.  This was an 18k mile original beauty of a car.  Even with its low 
>miles and good condition, there were issues.  One of them was that the 
>battery would discharge within a few days of parking the car.  The prior 
>owner had put a disconnect switch on the battery which I would sometimes 
>forget to use, then find a no-start situation a few days later.  One 
>evening I had gone to a friend's home, and parked in his driveway which 
>was slightly elevated.  When I was going to go home, I happened to glance 
>at the rear of the car.  I could see light around the edge of the trunk 
>above the license plate.  Hmmm.  Well, turns out the little metal piece 
>that is supposed to deactivate the trunk light when the lids is closed, 
>was bent slightly and never pushed the little switch button, so that the 
>lamp was always on.  I bent it slightly, and that cured the problem.  I 
>think that problem was with the car when it left the factory.

Don Scott
1962 MGA Mk II
1991 Miata BRG
1973 MGB GT (needs new home)
TR4 (wanted)






>Aaron Cropley
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>71 TR6 (Throttle Body Injection!)
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>http://www.triumphowners.com/108
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>2002 Mini Cooper S
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>Topsham, Maine
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>-----Original Message-----
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>From: TOM BARILLA <TJBARILLA at COX.NET>
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>To: triumphs at autox.team.net
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>Sent: Sun, 28 Sep 2008 1:04 pm
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>Subject: [TR] 1974 TR6
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>I ran across your website while trying to find out information on how to test
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>for a battery drain while the car in off.
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>My battery went totally dead so I purchased a new Sears Diehard.  After
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>installation my 1974 TR6 started right up and was charging at around 12.5-13
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>on the amp meter.
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>Within 3 days this new battery also went completely dead. Absolutely nothing.
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>After charging it I ran some tests with a testing light.  I disconnected the
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>negative lead from the battery, attached the testing light lead to the
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>negative battery post,  took out one fuse at a time,and then touched the end
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>of the testing light to the negative lead.  The testing light lit up.  One by
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>one I disconnected every fuse and with no fuses in the fuse box the testing
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>light still lit up.  From everything I have read this should not have happened
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>once all fuses were removed.
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>How can I have a battery drain with no fuses in the fuse box?  Am I doing
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>something wrong?
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>Any advice you can give me will be greatly appriciated.
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>Tom Barilla
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>TJBARILLA at COX.NET


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