Question about 1993 Buick LeSabre

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Non working cruise control 1993 Buick Lesabre

1993 Buick Lesabre 6 cyl Front Wheel Drive Automatic 191478 miles
the speedometer works perfect so i'm ruling out the VSS
I turn the cruise on and get to the speed i want to set , i push the set button and the cruise light comes on but the car slows down and the cruise light turns off , i have replaced the cruise control servo with a working one same thing happens , also once the cruise light turns off , it will not turn back on till you shut the ignition switch off and then turn it back on , is the module doing this , also where is the module locatated on this car , thanks for any help we live on a limited income and can not afford to to take to a repair shop , i am very handy at fixing things if i know what to do

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  • ronnie195620 May 08, 2010

    Found out the check engine light was burned out , never thought of looking when you first turn the ignition on to watch the test of the warning lights , to make a long storie short hoop 3165 had the correct answer replaced the bulb and thats the code that came up , replaced the TPS and now have cruise control again . thanks hoop

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On mine the check engine light came on which was the TPS. I replaced it now cruise works great

Posted on May 08, 2010

Testimonial: "never thought to watch the test of the warning lights when you turn on the ignition , well the check engine light was out replaced bulb and hooked up the code reader because the light was on after starting the car , the code reader said TPS replaced it and now have a working cruise again . Thanks hoop your saved me a bunch of money"

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I understand your situation. For some one who is mechanicaly inclined like yourself, it would be very helpfull to you if you had the tech manual. In order to repair this type of problem you will need a wiring diagram of that system to see all of the components it contains and which wires provide power, ground etc. If you have replaced all of the components in the system then the only thing left is to ensure that there are no opens in the circuit wiring. If you can't figure things out without the diagram, you can purchase a one year subscription for about $25 at alldata.com Search for discount codes on line for alldata.

Posted on Apr 22, 2010

Testimonial: "I will get a diagram and run down through the wires , may just be a open circit like you say , thanks for answer - Ron"

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