I have a 1991 deville, and my cable broke on the window (that allows it to go up and down). Then I took it to a shop to get the window fixed, and the battery wont keep a charge now. I don't know if I have a dead cell in my battery, if it is possible a wiring problem. Can the wiring in the door effect my battery from charging??
Not quite a solution --- but also check for parasitic current draws --- in my 1991 its the older security alarm system that runs down my battery in less than a week ususally. I could replace it with a newer smaller current one - but have gotten used to just keeping the car on a charger all the time since I don't use it for weeks at a time. Therre are a lot of other cutrrent draws due to all the interior lights - have you changed your routine since the fix. Maybe that window/switches was reassembled incorrectly.
By the way those regulator cables (in the 1991 it was a flexible plastic tape --- that gets brittle and breaks) are basically defective across the whole cadillac line going into the 2000+ models.
I just had a regulator tape replaced for about 300$. GM wanted $500. The tape itself cost just under $100 .... but the labor is a bit tedious.
Also when I left that shop my battery was dead (went in with the usual full charge) and they had to jump it when I left --- they ran it down using and testing with the window motor and having the doors open for several hours and the interior lights on - so perhaps you just need a full overnight charge.
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I suspect parasitic draw. All vehicles draw some power from the batteries when the car is shut off. Certain accessories such as clocks, radios remote door openers and alarms always need power. The normal power used is called parasitic draw.
It is always a very low draw so it doesn't run the battery down. If you install accessories like shortwave radios or plug things like inverters and portable refrigerators into the accessory socket and operate them too long without the engine running you can drain your batteries to the point where the engine won't start. If there is an electrical short in the vehicle or a malfunctioning accessory it could be drawing much more than its normal load causing a drain on the batteries. If you leave your door open and the inside lights stay on all night you could drain the battery down till the car won't start.
You may have to drop one end of the oil pan down enough for you to put your arm in and unbolt the oil pump. The oil pump hanging down in the pan won't allow you to pull the pan out until the pump is unbolted.
Time to find another shop. No reputable shop will repair your vehicle and NOT tell you what work was done!! As for your problem, I can give you maybes: Could be that the battery is going bad or that the charging system is failing or has partially failed. (quick test is with the engine running place a volt meter across the battery..With all accessories on you should show at least 12,9 volts.(with time, volts should not continue to drop) Since you cannot get it to start, you need to make sure there is at least 12v in the battery, and that with the key turned to the start position voltage does not drop below 9,5 volts and returns quickly to 12v when key is off. Check all battery and cable connections to make sure they are clean and secure. Problem may also be with the starter or security system but at this point, I don't think it is.
this is always a pain but here is the way I try 1st, drop the release handle down and cut back the sheath (cable cover) over the inner wire cable, expose the cable and then get a good pair of vise grip type locking pliers and have some one push down on the hood over the latch area (this removes some of the tension on the latch release) while you pull the stub end of the cable, if this doesn't work then you can try going under the truck to latch, but on this model that would be very difficult.
hi cindy from the uk am i correct in thinking that the actual fuel filler door is ok? but the catch that it closes onto is worne/broken? therefor you have the door open at random ? i would think you can buy this catch seperately ? but as you mention a button in glove box opens this door ? is it electrical ? or a manual ie cable pull or push ? if electrical operated? opening then no problem of draining battery once button released however i would check up on cost of this part you req and availability first ? may i offer a temporary solution for now? if you visit local hardware store? and look at the possibility of using a kitchen unit door magnet? that you could stick using back to back tape ? on the door and other part on inside of cove that has filler pipe ? im sure that with a little imagination you could do it ? and for time being no one will know ? and not be tempted to siphon fuel from your tank having seen door is not locked ? i have done this repair on uk cars and works fine as for car battery ? not holding charge? best advice is pop along to local car store / garage ? and ask them if they could check/test battery condition ? it only takes 2 minutes ! and not usually a fee here in uk it is tested for free if your battery is old? it may have one or more cells deteriated with age and so not holdin charge if test prove battery is defect? may i suggest you shop around for best offers also surf the e bay ? hope this helps and inspires you? and wish you luck