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Posted by Andy & Carol on June 5, 2006, 6:42 am
alt.autos.gm..you will get your answer.
> What are the best Trouble Shooting Procedures on a 1988 V-6 Buick LaSabre
> Cruise Control?
> The bulb, in the third brake light in the back window, was blown.
> I replaced the bulb but the cruise still does not work. (More than one
> thing went bad.)
>
> Does the cruise dash light tell you that the cruise switch is okay and
> what other electrical components does it tell you are okay?
> I checked and all the fuses are okay.
>
> Does the lit cruise dash light tell you the brake switch is okay? The
> cruise dash light works properly as it should and goes off when brake is
> applied, it also did that before I replaced the brake bulb.
>
> Could it be the “Servo” not getting proper ground. Where is the VSS
> Sensor - Perhaps the VSS (Vehicle Speed Signal) sensor wire is not
> connected? Cruise works off the SPEED SENSOR, if there is no signal, it
> will not work. However, the cruise dash seems to indicate that the VSS is
> connected and working.
>
> Could it be the vacuum control components? - udarrell
>
> --
> Air Conditioning's Affordable Path to the "Human Comfort Zone Goal"
> http://www.udarrell.com/air-conditioning-total-heat-enthalpy-latent-heat.html
> http://www.udarrell.com/ac-trouble-shooting-superheat-subcooling.html
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