Question about 1990 Cadillac Deville

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

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  • Cadillac Master
  • 6,826 Answers

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:
how to change a starter in a 1990 cadillac sedan - 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.


Posted on Jul 05, 2010

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Posted on Jan 02, 2017

emissionwiz
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SOURCE: How do I erase the codes on the dashboard of my

disconnect the battery for 5 minutes, but if the problems still exist the codes will come back straight away.

Posted on Sep 18, 2009

honeymokey
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SOURCE: I have a 1990 cadillac sedan deville with a E98 code

Sounds like the engine is idling to high. There is a procedure that you must go through to set it. Reply and I will let you know how to set it.

Posted on Apr 06, 2010

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SOURCE: no pressure in brakes of a 1990 cadillac sedan

You either got a bad master cylinder or air in the breaks.

Posted on May 07, 2009

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SOURCE: I have a 97 cadillac sedan deville. I just

It sounds like they didn't get the cooling system filled completely, there's an air bubble. I had a problem with a 2000 Oldsmobile overheating, it turned out to be the aftermarket thermostat. I bought a stat from GM the problem went away.

Posted on Dec 12, 2009

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wracefans24
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SOURCE: have a 99 cadillac sedan deville. lots of

you need to verify the dome lights are turning off before you walk away,something is draining the battery.check you car out after driving it and make sure radio and any other things all shut off.

Posted on Dec 28, 2009

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