Question about 1989 Cadillac Sedan DeVille

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My 1989 cadillac deville turn signals wont blink

All my lights work, Hazards are fine. Fuses are not blown. I need HELP.

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  • Cadillac Master
  • 2,278 Answers

I am taking a wild guess that your car is old enough to have a turn signal flasher.
It should be under the dashboard where it is almost impossible to see! Here's how to find it:
Find a good flashlight and a little tiny person. :-)
Turn on your 4-way flashers, and look up under the dashboard, to the left of your speedometer. (See why I said a small person?)
The 4-way flasher should be clicking.
Look at the shape and size of that flasher that is making the clicking sound, and you should see another one close to it just like it that is not making any noise.
That should be your regular turn signal flasher, it's probably be ready for a new one.
Usually they plug in.

Posted on Jan 20, 2013

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Posted on Jan 02, 2017

cadman000
  • 607 Answers

SOURCE: need to replace turn signal switch 93 cadillac deville

First do you have a sterring wheel puller. Can't remove the steering wheel without one. Quite an involved job including snaking the electrical connector end through the steering column. I wouldn't recommend it to the novice

Posted on Mar 29, 2009

  • 37 Answers

SOURCE: 1999 cadillac turn signals stopped working

Check the hazard switch brother. Thats a know source for this problem. Mess around a bit with it for a temporary fix but replace it at any rate!

Posted on Aug 16, 2009

  • 4336 Answers

SOURCE: 1996 cadillac DeVille. How to install turn signal

You have to pull the air bags, and steering wheel, and disassemble the anti theft plate in the column. This task may be better left to a shop, it is fairly difficult if you know what you are doing, and nearly impossible without the requried pullers....

Posted on Sep 21, 2009

roniecon
  • 6826 Answers

SOURCE: i have a 1991 cadillac deville that wont turn over

Check the connection at the battery,the contacts ao the battery should be shiny clean,and the cable ends,then put them back on,it is possible for all the power to be in the battery and suppling voltage to the lights and such,but not the starter.Then check the battery to see if it has the amps,and volts,12 volts.Then the starter could have gone out.If all this checks out,see if there is a fusible link burned into on the starter.Then the ignition switch,and neutral safety switch,all this could be the problem.

Posted on Nov 24, 2009

  • 1 Answer

SOURCE: My 1990 Cadillac Deville wont start or engage starter

hey there. my name is dwayne, and im contacting you for help on my 98 caddy deville. well three days ago. i got a alarm installed. and friday i was driving on da high way and it just turned off. and smoke started coming from my steering wheel. engines coolant temp. was only 200 no smoke was coming from engine. now car wont start at all.!! please help

Posted on Jun 28, 2010

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Related Questions:

1 Answer

Turn signals and hazards wont work on my 1990 Deville fuse is fine. what next?


It sounds to me that your turn directional switch located behind the steering wheel has failed (was a common problem in those years) If you have an airbag in the wheel then the switch is called a clock spring. To test unplug the connector under the dash going to the switch and plug in a new switch. and manually turn the new switch back and forth to see if systems work.

Dec 29, 2012 | 1990 Cadillac Deville

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Cadillac deville 1983 flasher


all gm cars and most others have two flahers one turn signal and one hazard check behind the fuse box for the other flasher

Dec 15, 2012 | 1983 Cadillac DeVille

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Tail light doesnt turn on with headlights but works fine as a break light and turn signal, why?


in the rear lights you may have two bulbs one is the turn signal the other one is stop light / tail light the stop light / tail light has two filaments, one for the stop light (21 watt) & one for the tail light (5 watt) it is possible that the tail light filament is blown, try replacing the bulb to see if that fixes the problem,also check all the fuses as well.......hope this helps......cheers.

Aug 15, 2011 | 1994 Cadillac DeVille

1 Answer

Turn signals don't work. Fuses ok. Emergency flashers work. Can't find flasher to check it. 1989 Cadillac DeVille


My name is Israel and I will try to help you out. One place you can check for this is the fuse block. You will be looking for a aluminum style cap. It might be located top right. This is the best that I can help you with this. Good Luck.

Feb 23, 2011 | 1989 Cadillac Sedan DeVille

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I have a 1995 Cadillac Deville 4.9L; I noticed that when I use my turn signals, my side marker lights (both sides) light up, but they do not blink. Are they supposed to blink? I had a 1989 Fleetwood 4.5...


If any of the bulbs is burnt, the turn signal will not flash. It will also happen if the bulb is the wrong type. Does this happen on both sides? If on both sides, you either have bulbs burnt on both sides, or the flash unit in the fuse box went bad, although this rarely happens.

Feb 26, 2010 | Cadillac DeVille Cars & Trucks

1 Answer

Right & Left signal light does not blink. Hazards work, parklite works. Replaced all fuses.


This sounds like your switch on the steering colum.Your hazards work of a diffrent switch.Make sure you have checked the flasher unit before changing the switch.

Dec 27, 2009 | 1999 Cadillac DeVille

1 Answer

1994 devilles flasher location


Turn signal flasher module is behind dash left of steering column near chime module. I have a 94 Seville and I had that same problem you need a Turn Signal Flasher Moduel, I forgot the proper term for it but I had to get mine replaced too. When I hit the signals to turn the side light would come on but the signal light wouldn't. Its a little box you get from Cadillac it only cost like $20 - $25 and you get it installed and trust. It'll work again. I just got mine done this week and my car now has turn signals again.

Nov 28, 2008 | 1994 Cadillac DeVille

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