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Sedans Cadillac DeVille Cadillac DeVille Electrical/Lighting
138 messages, Last post on Jun 06, 2008 at 2:55 PM
You are in the Cadillac DeVille Forum. Your Hosts are pat & karens
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Replying to: sweetdeville (Dec 31, 2007 6:42 am) Your car had a 4 year/50,000 mile warranty. Being a 2004, it could have been sold first in mid-2003 and therefore was over 4 years old when you bought it. When buying autos, you should always find out the 'in service date', when the car was bought, which is when the warranty is started. |
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2002 DeVille, BATTERY GOES DEAD IF NOT STARTED AT LEAST EVERY 3 DAYS. At least 6 incidents of dead battery in the last 4 months; I've also been on disability for the last 4 months and not driving my beloved Kizzy Baby daily. After a few hours of reading I'm getting the idea that there are items drawing power from the battery even when the car is off. I have seen my service anti theft system notification 2-3 times, but the next time I start the car it no longer says that. Someone made mention of `battery saver mode`, please explain this funtion. 2) One more note, I have always heard a periodic rummmmmm sound from the rear of the car; someone made mention of `leveling system`, please explain this function.
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Replying to: bossalways1024 (Jan 02, 2008 12:35 pm) You should be able to bring up the battery voltage on your DIC display by pushing the INFO buttons. Check that when the car is running you have at least 13.5 volts. More, up to about 15.0 volts is good. If you don't have this voltage running, you have other problems, such as alternator bad. But if a bad alternator, it should be showing an error message on your DIC display. If the car will not start, the battery voltage is obviously low. But, if you are driving it every day and it is starting, here is something to do. Drive the car 20 miles or so - enough to get a good charge on the battery. More miles would be better. Turn everything off. Radio, AC/Heat, Lights, keep door closed, etc. Stop the car.Turn the ignition back to 'Run' position, but do not start the car. Bring up the battery voltage on the display. A nicely charged battery should show from 12.2 to 12.6 volts. If your battery, right after being charge up nicely, shows something less than 12.0 volts, your battery is probably 'bad'. If you can sit there a few minutes, and you see the battery voltage decrease, you also either have a bad battery (losing voltage quickly due to weak cells), or you have a huge power drain somewhere. Most auto parts houses will also 'load test' a battery for free. If the battery appears good, finding the drain is something an tech with experience in electrical systems is going to be needed. Does the car have Onstar? Cadillacs of about this age had problems with the Onstar module draining the battery. Whether Onstar was active or not. Otherwise, the drain could be in many places, your Caddy has lots of electronics in it. 2) Your car has a rear, self leveling air suspension system. There is a small air compressor near the rear tires. Every time the car starts, this system goes thru a 'self test'. The compressor starts and raises the car a little. The system then exhausts air back to the correct level. This is what you are hearing. I think the system will even do this with the ignition in Run, without starting the car, and you can very easily hear all this. It takes about a minute to go through all this. Of course, with your battery problems, I wouldn't be draining the battery by doing this (the compressor uses electrical power) until you get the battery/electrical problems resolved. |
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Replying to: bossalways1024 (Jan 02, 2008 12:35 pm) Some of the electrical system is probably not protected by the 'Battery Saver', so you could still have something that is draining the battery. |
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I own an '86 DeVille. My problem is new. Whenever I turn on an accessory or the headlights they will periodically go dim then back to normal, same with the interior lights, etc. There is no decrease in engine power or idle speed, just the accessories acting funny. Any help out there?
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Replying to: dmagick (Dec 21, 2007 5:45 am) -Bad cables. No need to start a new thread, there is an Electrical/Lighting one. The host will probably move these there.... |
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i have a 2001 cadillac deville. My power windows sometimes just stop working. It wont go up or down. After a a couple of days it starts to work again. It keeps doing this on and off
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Replying to: engwang9091 (Jan 05, 2008 9:10 pm) If one window, is it dead from the door switch and the driver's switch?
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