battery needs to be jumped after setting a couple days. on 1996 Mercury Sable

The battery & alternator checks out fine. There is a draw on the battery when the car is off. Service Tech (auto/electrical) can't locate the draw. The daylight running light module (DRL) had to be replaced last week; I noticed the charging issue at the same time. As long as I drive the car each day, the car will start. However, if I let it set unused for a couple of days, it won't start without a jump. All lights & electrical devices are working fine. We just can't find the draw location. Thank you, John Morgan, USMC

by in Chesapeake, VA on October 25, 2012
2 answers 1 comment
ANSWER by on October 26, 2012
If you have interior lights that delay, you might want to check that.
COMMENT by on October 30, 2012
Thank you for that information…I am taking the car in for a battery drain (Parasitic Draw Test) test this week. Hopefully, that will provide an answer. I will be sure to test the interior lights. Thanks, John Morgan, USMC
ANSWER by on October 30, 2012
you need to have a parasitic draw test done ...

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