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1995 Sedan Deville
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22 Posts
Discussion Starter #1
Does anyone know of a way that I can tell what is draining the battery on my Deville? I have changed the battery twice (once with brand new battery) - Car will start up and run fine, but after I park it overnight, the next morning it will not start. After a quick jump, starts right up. I have checked to make sure the doors are closed, disconnected the radio, still can't find the drain. Any Ideas?
 

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Super Moderator
White Diamond '03 DHS (with DTS floor shift)
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86,788 Posts
Put a 12v test lamp in line between the negative battery cable and the battery terminal. A current draw will illuminate the light. Now start pulling fuses until it goes out. Then you'll know which component or circuit is the offender.
 
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