treeman Posted November 20, 2010 Report Share Posted November 20, 2010 my 2002.5 cadillac seville sts has a bad drain on battery when the door is opened and interior lights are on. volts drop from 12.5 to 11.8 with engine off. if I turn off interior lights at switch and turn them on with door closed there is no drop in volts. battery was dead if sitting for a week with out use. since I turn off lights with switch no problem. I can hear the switch that turns off interior lights behind back seat thanks for any help. elko mike Link to comment Share on other sites More sharing options...
Cadillac Jim Posted November 20, 2010 Report Share Posted November 20, 2010 I would check the battery cables, but the battery itself is likely the culprit here. -- Click Here for CaddyInfo page on "How To" Read Your OBD Codes-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data -- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC Yes, I was Jims_97_ETC before I changed cars. Link to comment Share on other sites More sharing options...
treeman Posted November 20, 2010 Author Report Share Posted November 20, 2010 I would check the battery cables, but the battery itself is likely the culprit here. I have bought a new battery. the one in the car was the original. the voltage drop is not as bad. it could be something else such as the nav. that makes the voltage drop when door is opened. it makes weird sounds, and I can here radio on only left dash speaker. this is with no key in ignition. car will not be driven much with snow season about here. I will disconnect neg. cable if needed. elko mike Link to comment Share on other sites More sharing options...
Cadillac Jim Posted November 20, 2010 Report Share Posted November 20, 2010 The owner's manual on my 1997 Eldorado says to disconnect the battery if you plan to leave the car for more than two weeks without starting it up. There should be something in your owner's manual about "Storage Mode." -- Click Here for CaddyInfo page on "How To" Read Your OBD Codes-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data -- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC Yes, I was Jims_97_ETC before I changed cars. Link to comment Share on other sites More sharing options...
WarrenJ Posted November 20, 2010 Report Share Posted November 20, 2010 . . . and I can here radio on only left dash speaker. this is with no key in ignition. elko mike The RAP (Retained Accessory Power) system should turn off your accessories within 15 minutes after the ignition is turned off. It should power down your accessories immediately if you open a door. Is this an aftermarket radio? There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises Link to comment Share on other sites More sharing options...
treeman Posted November 21, 2010 Author Report Share Posted November 21, 2010 . . . and I can here radio on only left dash speaker. this is with no key in ignition. elko mike The RAP (Retained Accessory Power) system should turn off your accessories within 15 minutes after the ignition is turned off. It should power down your accessories immediately if you open a door. Is this an aftermarket radio? the radio is part of the optional navagation with 6disc cd changer. when you open door nav. makes weird sounds,and sounds like ghost whispering on left dash speaker. if you open and close door again it goes off. I am watching for battery drain in case something stays on again. elko mike Link to comment Share on other sites More sharing options...
Texas Jim Posted November 21, 2010 Report Share Posted November 21, 2010 the radio is part of the optional navagation with 6disc cd changer. when you open door nav. makes weird sounds,and sounds like ghost whispering on left dash speaker. if you open and close door again it goes off. I am watching for battery drain in case something stays on again. elko mike If I leave my DTS parked for over a week and forget to turn off my radar detector, it will kill the battery. I did that the other day. Had to call OnStar and get it jumped off. My car also has NAV. It too makes noise when you open the door, but the noise is just the NAV booting up and the disk spinning. The noise from the NAV is nothing to worry about. Now...The radio sound from the speaker... I don't think it should do THAT. I have never heard of one doing that. Link to comment Share on other sites More sharing options...
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