Question about 1990 Cadillac Deville

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1990 sedan deville won't start. battery is good.getting power to everything but nothing to the starter.

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Hello! There are several components that can cause no power to the starter...Lets eliminate...#1...Do you hear a "click" when you turn the key? It is the Starter Enable Relay...Powered by fuse #17 (15A)...The relay is enabled by the Pass Key Decoder Module...
Anti-Theft device...If no click is heard; The fuse is blown, the relay is bad, or the key you are using has a bad chip...#2...If you hear a "click"...The Park/Neutral switch is open/defective...#3...The power cable connection to the starter has a poor connection...

Guru..............Saailer

Posted on Oct 04, 2010

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Check the battery like this:
Turn on the headlights, then try to start the car.
If the headlights do not dim or go out, then the battery is likely ok.
Check that the battery cable plus post, goes to the starter, Minus post to a good ground, like the engine.
If wiring is ok, then look at the starter solenoid for a good connection, and proper voltage at the starter.
Problem is most likely the Solenoid or starting relay, whichever the car uses.
Hope this helps.

Posted on Apr 04, 2015

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1 Answer

I have a 1988 deville and the starter went, replaced the starter now the car won't start at all, the starter is in right and the relay clicks but it wont start. is there a security lockout that wo


What relay ?
You may have the wire from the key switch on the wrong terminal.
If the car has an anti-theft system the key lock may not be reading the chip in the key.
Can you jumper the starter solenoid and make the starter work ?

Jul 19, 2012 | 1988 Cadillac Sedan DeVille

1 Answer

I get in to my car then i try to crank it but it won't do nothing and i just got a new battery but everything else will come on.


Since you replaced your battery, do you hear any clicking when you try to start the car? If not, replace your Starter and Starter Solenoid. You also have a Starter Relay, but these relays don't go out that often.

May 25, 2011 | 1994 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

Car won't start have plenty of battery power and


If the solinoid clicks the I would look at the starter. How old is the starter? they are only good for so long and do wear out. Also could be stripped teeth in one stopping place on the 'ring' gear, or it could be the bendix is shot. Removing the starter shoul;d tell you what it is.
Ken S.

May 12, 2009 | 1994 Cadillac DeVille

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

5 Answers

ENGINE TURNS OVER BUT WONT START


It may be the fuel pump, if its not getting gas it won't start. If not that it could be electrical

Jul 20, 2008 | 1994 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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