Question about 1997 Cadillac DeVille
I have a 97 Cadi Deville and I am constantly having to charge the battery because it dies on me. I have bought a brand new battery but my car still loses power even when I haven't even driven it for the day. I just got the alternator tested and it passes as well. What else can cause this problem?
Remove negative battery cable.hook up a test light between battery terminal and battery cablee you just removed.test light will come on bright.now start removing fuses one by one while watching the light,the fuse that kills the light supplies power to the. designated device. it tells you there is a draw in that circuit.
Posted on Jul 16, 2013
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Posted on Jan 02, 2017
SOURCE: Car dies while driving
I had same problem and turned out my alternator plug kept falling out. ground was good but the plug with the clips was bent and kept falling out. had to make sure it was fixed by someone who knew what they were doing and had to take it to the dealer. charged me $75 to rewire anew plug on, took them one hour. have your battery and alternator tested at local Autozone or AAP
Posted on Jan 10, 2009
this happen with my 93 ,if the car cranks,it's your gas presser regulator. it's on the top of the engine ,right side of carb.
Posted on Jan 26, 2009
well first off, check the glove box light blub, make sure it shuts off when you close the door, check it by pressing the switch with your finger to make sure it shuts off, also check under the hood for the light there if there is one, pull the bulb, and the same thing for any bulb in the trunk, then check again after a day to see if the battery dies, if it is dying while the vehicle is not running then it is the battery, if it is dying after it is running then it is the alt. you can check that also tho with a multimeter set to the DC volts setting, place the black end <the ground to any grounded area> and the red end <the hot lead to the back of the alt. > it should be reading higher then 12 volts, normally should be a higher reading then 12 volts... if you are getting a lower reading or just 12 volts then the alt. is bad and needs to be replaced...hope this helps you out...
Posted on Jun 15, 2009
It could be the generator field from the ECM. The ECM supplies this variable-duty cycle signal to ground the field winding of the alternator. So the alternator may not be getting "turned on" by the computer.
Posted on Oct 31, 2010
This indicates a short on the main wires from the alternator. Probably going to the battery or the wrong size battery. I assume you don't believe it is charging because the battery keeps going dead. This is most likely a problem with a short on a wiring harness. While the vehicle is running check the voltage at the battery. If you aren't getting at between 14 and 18 volts while the vehicle is running you have a short between the alternator and the battery on the harness. if you have that voltage then the problem is a short draining the battery.
Posted on Mar 02, 2011
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