Question about 1991 Cadillac Seville

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My 1990 cadillac deville want start with key. So I had to run a wire to my starter with a targa switch to crank it. So what do u think I can do to fix it?

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Clean the key off so the resistor on the key will register with the security system.

If this doesn't work, maybe take it to the dealer and have them check your key out.

Posted on Nov 10, 2010

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Dec 29, 2015 | Cadillac Cars & Trucks

1 Answer

I have a 1991 Sedan deVille. If I try to start it with the key, it does nothing. All the accessories work with the key in the run position. If I bypas the ignition system, it starts just fine. What could...


So you have no crank no start correct. Three possible items to check : ignition switch,neutral safety switch, starter relay. and if applicable starter interrupt relay.

Aug 23, 2010 | 1991 Cadillac DeVille

1 Answer

How to change a starter in a 1990 cadillac sedan deville?


First, I would determine it is bad. I have a 1990 Cadillac Sedan Deville, and sometimes it doesn't turn over. But, if I toggle the switch a few times or up to 5 times, it starts to turn over and the car starts.

I have the same problem with a 1997 Cadillac Deville.

If you are set on changing it, here is a picture and instructions on how to test:
prev.gif next.gif Starter TESTING Voltage Drop Test Fig. 1: Schematic of a voltage drop test 91052g10.jpg
NOTE: The battery must be in good condition and fully charged prior to performing this test.
  1. Disable the ignition system by unplugging the coil pack. Verify that the vehicle will not start.
  2. Connect a voltmeter between the positive terminal of the battery and the starter B+ circuit.
  3. Turn the ignition key to the START position and note the voltage on the meter.
  4. If voltage reads 0.5 volts or more, there is high resistance in the starter cables or the cable ground, repair as necessary. If the voltage reading is ok proceed to the next step.
  5. Connect a voltmeter between the positive terminal of the battery and the starter M circuit.
  6. Turn the ignition key to the START position and note the voltage on the meter.
  7. If voltage reads 0.5 volts or more, there is high resistance in the starter. Repair or replace the starter as necessary. NOTE: Many automotive parts stores have starter bench testers available for use by customers. A starter bench test is the most definitive way to determine the condition of your starter.
---
Remember to disconnect the battery and remove the wires from the starter at the hex nut.

Then, remove the 3 or so bolts that hold the starter on using an extension and ratchet if necessary.

Hope this helps.


Jul 05, 2010 | 1990 Cadillac Deville

1 Answer

Chevy malibu won't crank dashboard functions no theft system issue, turn to on position and makes no sound...could this be the starter?


Most definitely sounds like a starter. Try toggling the key to the start position several times a second until the starter operates. I do this to my 1997 Cadillac Deville occasionally as the weather changes without changing the starter (which probably should be done).

I also have a 1990 Cadillac Deville that does this occasionally.

Must be a GM thing.lol.

Jul 04, 2010 | 2003 Chevrolet Malibu

1 Answer

Lights come on but the car want start


I would say that either the starter is bad or you have bad ignition switch. Also check the "crank" fuse in the fuse box. If you are getting power to the small wire on the starter solenoid when turning the key to the starting postion, the starter is bad, if not the ignition switch is probably bad, a common problem with Cadillac's. Does it have a factory alarm system?

May 23, 2010 | 1993 Cadillac DeVille

2 Answers

1990 Cadillac Seville car won't stArt fuel pump is new injectors are new tune up is done but car still don't turn on but when I Use stArter fluid it turns on fo a second or two


does it have the chip in the key!!???if so the problem is in the ignition switch! there are two small orange wires that break off! on the coloum!

Mar 20, 2010 | 1990 Cadillac SeVille

2 Answers

My 1990 Cadillac Deville wont start or engage starter


Sounds like you blew fuse. Fix fuse and borrow a car starting switch they use at car repair shops. As long as you can turn tumbler to on ,you can start using the starting switch from repair shop..There should be a way to run a start button to start car and your off/on key should be OK
Ron

Feb 17, 2010 | 1991 Cadillac Seville

1 Answer

1990 Cadillac won't crank


Has the motor siezed from lack of oil or water

May 09, 2009 | 1990 Cadillac Deville

1 Answer

My 1990 Cadillac Deville just cut off


sounds like jumped timing belt maybe chain ,no spark is my guess if it turns over and dont even make a pop noise..

Jan 03, 2009 | 1990 Cadillac Deville

1 Answer

Problem starting


Battery terminals like bad or corroded. Replace, and you should be fine.

Jun 09, 2008 | 1990 Cadillac Deville

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