2002 Mercedes Benz G500 car battery drain

2002 MERCEDES BENZ G500
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SHAWNBAGHERI
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2002 Mercedes Benz G500 30000 miles

I recently purchased a new car battery for my merc G500 , the car has 3 cables (one of them is just bare copper like negatieve electric wire) and the new battery has onyl 2 connecting poles . The new battery keeps draining and dying,. I had it replaced again the same thing happens. Any thoughts?
Thanks
Shawn
Aug 12, 2009 at 5:59 PM
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RASMATAZ
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Perform the battery drain test below


https://www.2carpros.com/forum/automotive_pictures/12900_parastic_draw_1_119.jpg

Aug 12, 2009 at 6:04 PM