Question about 2002 Pontiac Grand Am

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Blower speeds 1, 2 & 3 don't work on my 2002 grand am GT. Cruise control kicks our now and then for no given reason. Any thoughts?

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Usually if you loose all the blower speeds except for high then the blower motor speed resistor is to blame. This device reduces the voltage that is supplied to the blower motor so you get the slower speed of 1,2, and 3 but is bypassed for the full voltage direct powered high speed which is why the high speed will continue to work.

Posted on Jul 07, 2010

  • mclaen Jul 07, 2010

    Oops! Forgot to finish about the cruise...The cruise is most likely a seperate problem which often requires the vehicle to be hooked up to a scan tool to see if there is a momentary loss of the Vehicle speed signal or a switch related problem. If the speedometer bobbles around a bit at the same time the cruise quits then it's usually a VSS or vehicle speed sensor. If the "check engine" lamp is on there may be a related service code for the problem stored in the computer memory. Hope this helps a bit!

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Until you rectify the fault DO NOT DRIVE WITH CC ENGAGED FOR ANY REASON!
3 possible causes off the top of my head.
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Have you got a defective BRAKE LIGHT switch
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Most cruise controls are designed to disengage when you press the brake pedal. I always mention this first because people tend to try to press the clutch pedal while the cruise control is engaged and this startles them when the engine revs up all the way...

Anyway, to use your cruise control:

1) Press the Cruise control button to on.
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3) Press the "Set/Coast" button.
4) let go of the accelerator pedal

If the cruise control system is operating correctly, your vehicle will continue to travel at the same speed until you either press the brake pedal or you cancel the cruise setting with the cancel button of the cruise control.

Remember: Your civic is not equiped with a radar system for your cruise control, so if you are aproaching an intersection or traffic in front of you, do not expect the car to know it needs to stop. Also, cruise control only operates the accelerator pedal i your car, it is not autopilot, so it will not steer your car for you.

(you think it sounds silly that I am writing this? You should see my friend's car... He thought Cruise control was like autopilot, so he smashed his brand new civic into a tree...)

Happy Motoring!

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Pull up on the brake pedal. If that does not work check your brake light bulbs (LED brake lights will also keep your cruise control form working). Finally check all of the fuses. This system needs at least 3 different fuses to work properly.

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