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Cadillac DeVille Electrical/Lighting

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  • Need some help fixing my wifes car, no fuel gauge or a/c lights on digital readout, All fusees are good where do i check next? Got acsess to another car for parts, was told it could be a body control module? Where is this located and will it fix my problem? Any help is welcome.
  • Thinking of trading, are these year Devilles trouble free? Reliable? Dose the Northstar hold up? I'm a heavy Equipment mechanic but know nothing about the Northstar.
  • Thinking of trading, are these year Devilles trouble free? Reliable? Dose the Northstar hold up?

    Bought my 04 Deville about 6 mos ago w/25K miles. Have about 30K miles now. Very pleased with the car, but I'll try to be as objective as I can.

    1) Replaced the Air Pump (caused check engine light)
    2) R&R front rotors and new pads (normal wear/tear item)

    After correcting the above items I've been very pleased.
    I do have a minor annoying windnoise issue I still need to address though. This is all covered under warranty.

    Even after considering the above issues, I feel my experience has been very good so far. I really love the ride and performance of this car. I truely look forward to driving it every day.

    I really haven't owned my Deville that long, but so far no regrets. Hope this helps with your decision.

    -jasper
  • Thanks for the info can I ask what you payed for the car? I'm on a tight budget as I get payed monthly and Wife starts and new low pay job next week. Her 91 Deville has some issues and she's scared to drive it much. Looking to spend 12 to 15 grand only, I can get a new car for that but it wont meet our expectations, and I love the look of the 04, 05 ,06 Devilles.. Found a few for under 14,000 with around 40,000 miles. But I havent even test drove this model DeVille.. I'm sure I'll love it..
  • 1991 Deville --- No gas gauge or a/c -heater digital readout, wife is living without a/c but winter is on it's way and she'll need some heat! Also she's run out of gas several times now. ( really need some sort of help ) Thanks
  • Interior lights do not come on with fob or when door is opened at night except for driver door power window panel. Dimmer control for dash lights operated normal ecxcept will not run overhead lights on. Over head lights by the rear mirror will come on with adjacent push in switches.
  • Can sombody help me with my problem? No digital read out on A/C and Fuel display panels on my wifes 91 DeVille..
  • I HAVE A PROBLEM WITH MY CADILLAC DEVILLE 1991 4.9 ENGINE I CAN BE DRIVING ALONG MY CAR STARTS TO MISS THEN IT QUITS LIKE IT IS NOT GETTING ENOUGH GAS, I CHANGE THE FUEL PUMP AND STRAINER, FUEL FILTER, SPARKPLUGS, WIRES AND IT STILL DOING THE SAME THING IF ANY BODY IS HAVING THIS PROBLEM ARE CAN HELP ME PLEASE LET ME KNOW. YOU CAN EMAIL ME AT DATAJOB2001@YAHOO.COM :P :P :sick: :sick: :cry:
  • I have a 93 Deville, and recently my "System SSS" light came on and stayed.

    I know it has something to do with the suspension or steering, but is it serious?

    Can I reset or should I take it to the dealer and get bent over? How do I reset the light?

    Thanks

    Dave in Virginia
  • I have a 1993 Cadillac Deville. I need to replace the blinker but cannot locate it. I have looked under the drivers side, passenger side and under the hood, but still can't find the darn thing. I know what I am looking for and the guy at the parts store said there should be 2 of them - one to work the blinkers and the other works the flashers. I turned on the flashers and they work great. My blinkers are dead! I plan to just move the flasher part over to the blinkers for now then purchase a second part for the flashers later.
  • 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?
  • bolivarbolivar Posts: 2,316
    -Bad alternator.
    -Bad cables.

    No need to start a new thread, there is an Electrical/Lighting one. The host will probably move these there....
  • I think you hold in one of the buttons, like the reset one or one of those. I have my book at home. I'm pretty sure the trick is to hold the button in for a short time.
  • Sounds like you not only got a car but an exercise program to boot. Seriously, I feel for you. I don't know what the answer is but I do know that since I bought my
    cadilac about two years ago I realize that there is alot of weird things that can go wrong with it and alot of electrical things, codes, sensors, 3 computer, ect. My problem is that my head lights go out on me sometimes. Very dangerous on the highway. Also the lights go out on my control panel too. Third but not least is that my car will turn over and even start but then will kill right away, and this happens every once in awhile too. The really weird part is that over the last year I have had it to 3 different garages, two which are GMC dealers and no one could figure it out. Any one out there that can help me? Right now I have my husbands million watt light that plugs into the cigarette lighter that he shines deer with. Thats just in case my lights go out on me I might stand a chance. Hell, I might even see a deer.
  • I have a 2000 Cadillac DHS. The display for the radio and clock just went black. The radio, tape player, and cd player all work; just the display is black. I cannot a find a fuse for this. Any one have any ideas?
  • I need to know how to install the right side(on the steering wheel)volume/tuning and below this is cruise control selector.The Illumination lights are out on the controls how do I take the Rubber section off the steering wheel to get to the right side controls so I can unplug the wires and take the old off..Tim
  • ejdjrejdjr Posts: 1
    I have a 2000 deville with high mileage and no aftermarket accessories. The problem started about 6 mos. ago, I am putting in the 4th battery - car starts fine for a period of time, used to be 2 - 3 weeks, it is now down to less than 36 hrs. if it isn't started, where the battery runs completely down - no cliks. The current shop has replaced an Auto Zone new battery with a AC Delco battery which lasted a week, started great, left without starting for 2 days went dead. Shop says that all tests indicate - no drains. Battery was fully charged and left dis-connected from the car - next day battery tested bad. I am picking it up today with the 4th battery but am concerned that the problem is not solved.
    Any suggestions?
    This is driving me crazy - Help!!!
    Thanks,
    ejdjr
  • I cant figure out what the problem is..............My warning lights blink continuously, even when I'm driving. I filled the oil and coolant and it continued to do so, can anyone help me please
  • i bought this deville with 45k miles on it back on oct 31st. I was origionally told it was under caddy warranty until 50k . Come to find out diamond lied to me & its completely out of warranty since august. Now the check engine light came on & is staying on , the lights on the steering wheel buttons are going out 1 by 1.
    The check engine light is the most of my worries , as this car cost quite alot of $$ & I have 0 warrantly. can anyone help with this problem ?
  • bolivarbolivar Posts: 2,316
    www.cadillacforums.com has areas on it's site that will tell you how to push certain buttons on the dash and put the car into 'diagnistic' mode. This will then display all 'codes', both current and history. This site then also has areas that describe what each of the codes mean. A very limited description, but a description. Cadillacs have a very good self-display capability for 'codes'. Few autos have this.

    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.
  • 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.
  • bolivarbolivar Posts: 2,316
    1) This could be as simple as a bad battery. Especially if this is the original battery. Which would be 5 or 6 years old, and has every right to die. This battery is probably under the rear seat, which you can just pull straight up at the front, and there's the battery. (If you get back to the battery, tighten down the cable connectors where they go into the battery. The black, negative cable grounds to the body right there under the seat. Be sure this bolt is screwed down tight. {This was a problem on my 2005 Deville just a few weeks ago.})

    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.
  • bolivarbolivar Posts: 2,316
    P.S. 'Battery Saver Mode' - Read your owner's manual. It describes this.

    Some of the electrical system is probably not protected by the 'Battery Saver', so you could still have something that is draining the battery.
  • 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
  • bolivarbolivar Posts: 2,316
    One window or all windows?
    If one window, is it dead from the door switch and the driver's switch?
  • sir did you find out why fuel+heatand a/c read out not working ?acquired a1991 sedan de ville it has the same problem all fuses are good

    Sir: I have acquired a 1991 Sedan Deville with the same problem you had. Fuel guage inope plus heat/ac - no readouts on either. Any recommendations you have would be appreciated. Hope you fixed your problem.
  • alimo1alimo1 Posts: 1
    I have a rare problem, 2001 DeVille rear passenger door window, the window stopped working from both the passenger door switch and the drivers door switch for the rear window, replaced the door window switch and replaced the drivers switch, checked all the connectors and wiring........ the window works ( up/down )off both switches when the rear door is open, as soon as you close the door the window fails to operate from either switches ! Anyone had this problem and what is the fix ? My guess is the module in the rear door but would appreciate it if anyone can throw a little light on the problem.
  • bolivarbolivar Posts: 2,316
    Well, I've read where the later model Cadillacs do have a 'module' in each door. I really don't know what this module controls.

    But from your description of the problem, I would also suspect a pinched wire, possible inside the rubber boot that covers the wires where they go from the body to inside the door.
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