Question about 1992 Buick Century

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Location of ECM and how to change ECM.

Installing a ECM in a Buick Century.

Posted by joseph sellars on


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Denis Houle

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Passenger side Under dash on the side kick pad with 3 connector
To replace it .. unplug battery then remove connector at ECM on old ecm remove two screw and the plate remove both memory and install them in the new ECM....plug 3 connectors and battery cable

hope it help

Posted on Dec 12, 2014


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Greg Bernett

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SOURCE: flasher out on buick and cannot find location to replace it

Open access panel directly under steering column, pull off flasher unit (metallic cylinder) take to auto parts store (no more than 10 bucks) , put on new one, drive safe.

Good Luck and please don't forget to rate!

Posted on Mar 16, 2009


Roberta Smith

  • 5158 Answers

SOURCE: Where is the ECM located on an 1989 Buick Century Custom V6 3.3 l

unhook the battery for about 15 minutes... that will reset it ... if the stereo is an anti theft type... make sure you know the code and how to enter it.

Posted on Mar 18, 2009



  • 3113 Answers

SOURCE: location of the starter on the engine

follow the positive + cable from battery to the starter.

Posted on Apr 19, 2009


Clint Smock

  • 4669 Answers

SOURCE: 2001 Buick Century shift solenoid

It is in the side cover on the valve body. The transmission needs to be removed to access the solenoids.

Posted on May 18, 2009


  • 240 Answers

SOURCE: 1988 buick century headlights

To change the low beam headlight on the 2001 Lesabre, the headlight assembly must first be removed from the car. It is really quite simple to do. There are two bolts on the top of the assembly that must be removed - that is all! The entire assembly comes out and gives easy access to the low beam bulb. Give it a 1/4 counterclockwise turn to remove it. Plus in the new one (#9006) and reverse the procedure.

Posted on Jun 19, 2009

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passenger side behind dash , i've copied a schematic , hope fully it will load, also known as a PCM

2002 buick century ecm location Google Search

Apr 10, 2015 | 2002 Buick Century

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How to replace ecm on 1993 buick century?

remove knee bolster on the passenger side and find the ecm under the dash behind the glove box. some of these you can remove the inner glove box to give you more room. it is held in a bracket that you will have drop down and unbolt the holding fasteners that hold the ecm in the bracket then disconnect the plug connectors to the ecm.

Aug 05, 2014 | 1993 Buick Century

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Where is the ecm located on a 1993 buick century. 3.3 6 cyl.

Under the dash on the passenger side. If there is a panel underneath, a sound insulator, the ecm will be visible with the panel removed. On some, the glove box has to be removed, don't know about a century, but on a Lesabre, you just remove the panel under the dash and the ecm is accessible.

Jun 28, 2014 | Cars & Trucks

1 Answer

87 Buick century...3.8 well maintained...had in garage for a month...all sensors have been verified..bought new computer and used old proms..still no resolve...finally took to dealer and they said a bad...

I doubt the ECM from a C body would work on your Century. I would probably buy a used computer and prom from a car exactly like yours. The prom is calibrated to the body style, engine, and trans. Each year and model can be different due to emissions standards.

Jul 11, 2013 | Cars & Trucks

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What is a IAT on a 2000 buick century

It is the intake air temperature sensor, it mesures the air temperature
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Jul 19, 2012 | Buick Century Cars & Trucks

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Can you tell me where the ecu is located on a 96 buick century

The ECM is located under the glove compartment in GM cars from the 1990s.

Oct 08, 2010 | 1996 Buick Century

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Engine hi engine diagnose lite on scantool

ay chek all the ground wires that go to the ecm
chek alterneter and battery
chek ignation module and the knock sensor
every won was good
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Jun 20, 2009 | 1993 Buick Century

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Computer reset

Disconnect the battery negative cable for approx 15 min. This will reset the ecm (engine computer) and the adaptive fuel strategy.

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Where is the ECM located on an 1989 Buick Century Custom V6 3.3 l

unhook the battery for about 15 minutes... that will reset it ... if the stereo is an anti theft type... make sure you know the code and how to enter it.

Mar 18, 2009 | 1989 Buick Century

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