Question about 1989 Cadillac Sedan DeVille

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Where is the engine cooling fan relay in a 1989 cadillac sedan deville

Engine cooling fan won't shut off

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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texastee72
  • 1 Answer

SOURCE: Can not find the body control module on my 1989 cadillac sedan deville -- anyone know where it is?

you need to take glove box out. It's right behind three three 7mm bolts for the plastic piece that holds it in. two 10 mm nuts that hold it to the plastic piece. Should come right out with a little finessed force.

Posted on Nov 18, 2008

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co7196
  • 3433 Answers

SOURCE: I have a 1993 cadillac sedan deville cannot locate

The flsher shoul be plugged into the fuse panel. Turn on and listen. If turn signal is not working, The bulb is more likely the problem. Good luck.

Posted on Jun 09, 2009

canbruce75
  • 1776 Answers

SOURCE: Where are the cooling fan relays for a 1998

Are you sure that you don't mean the cooling fan control module? It should be located up front next to the cooling fan. It is square shaped and has a long square shaped plug going into it. 00114_cooling_fan_control.jpgReads the temperature of the coolant and passes the information to the engine control computer (ECC). The ECC receives analog information and signals the cooling fan switch to cycle the cooling fan on or off, as required.








Posted on Jul 08, 2009

  • 15 Answers

SOURCE: My 1996 Cadillac Sedan Deville heater blows cool

If you are not the original owner, the previous owner may have bypassed the heater core. The heater core is like a small radiator that has hot water running through it from your motor. It is inside of your dash board, near your a/c and heater controls. That is how yur car gets hot air. The air runs through the heater core making it hot. Bypassing it is a cheap and quick fix for a leaking heater core. When they get a leak, they leak all inside the car down to the floor board. Check under the hood along the fire wall. If it is bypassed, you will see two hoses spliced together. One will be bigger that the other slightly. If this is your problem, you are more thatn likely need to replace your heater core

Posted on Dec 12, 2009

honeymokey
  • 3113 Answers

SOURCE: 1989 Cadillac Sedan DeVille

Disconnect battery negative cable from battery and touch it to the positive sidefor a second and hook it back up , this may reset the bcm.

Posted on Jun 20, 2010

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1 Answer

Where is the ESD relay located on a 1989 Cadillac Sedan Deville?


Hi , what problem are you having ? There is no such relay on a 89 Cadillac ! Could you possibly mean a ASD relay - auto shut down relay ? That component is used on Chrysler products !

Mar 27, 2015 | 1989 Cadillac Sedan DeVille

1 Answer

Radiator fan


check your fan relay, it could be stuck.

Feb 07, 2014 | 1989 Cadillac Sedan DeVille

1 Answer

Wiring for 88 cadi fan


Well I'm sure there are kits to wire up electric fans on cars that are not designed for one.
You would need a relay and something to turn the relay on. A coolant sensor won't do the trick, the sensor is what tells the computer the engine temp, and the computer decides when to ground the fan relay.
You would need a temp switch that is designed to close at say 220 degrees to ground or power the fan relay.
The fan motor would have ground and power wires.

Sep 30, 2012 | 1988 Cadillac Sedan DeVille

1 Answer

The motor fan wont shut off. it still runs when the car is off . what could be the problem. we had to put a new battery in.


looks like the engine temp sensor might be bad causing the fan to stay on or a possible stuck fan relay

May 03, 2010 | 1989 Cadillac Sedan DeVille

1 Answer

Cooling fan stays on when car is off. Took off battery cables to stop it. Is it suppose to run after cars off until engines cool?? Thanks, Chloe


It would be normal for the cooling fans to run after you shut the car off because the power to the fans is turned on and off by a thermostat and not the key. Don't worry about it unless it runs for more than 15-20 minutes when you shut the car off. It may run that long in summer if the car is hot but less in the winter. Hope this helps.

Nov 01, 2009 | 1989 Cadillac Sedan DeVille

1 Answer

Something is running after the car is off.


The fan is still going. They will do this for a while to cool off the radiator after car is shut off. If it last for a very long time, the relay will have to be replaced.

Jul 06, 2009 | 1992 Cadillac DeVille

1 Answer

Was running fine but doesnt want to start now


Fords have the reset switch option only. Relays are mounted on the firewall

May 26, 2009 | 1989 Cadillac Sedan DeVille

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