I have a 2005 Chevy Impala 3.4L. The cruise control quit working. The cruise control light on the dash will come on, but it will now engage. I have checked all the fuses. What would cause this?

Check the linkage at the advance to se if it is broken. Some are by mechanical connection and others are by vacuum. If vacuum you have developed a leak and must replace the controler to make it work again.

Cruise Control Problem - Nissan Forum

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check cruise control fuse and check the brake lights see if brake light working because the brake light switch will deactivate cruise control when brakes is applied.if brake lights dont work either fuse blowed or switch bad.if all is good have vechicle code scan because cruise control control by PCM and vechicle speed sensor and thottle actuator control motor.

I would check the turn signal switch. The cruise and turn signal are on the same switch. The brake lights go through the switch before going to the brake lights. And the turn signals don't work with the ignition off.

It sounds like the cruise control linkage was never reconnected. Have you been back to the place that did the work?

The BRAIN BOX which is known by most car owners controls the throttle boy accellerations control when engaging the cruise control on. If your fuses are good I recomend have the servo (brain box) checked

the servo is bad more than likely or the switch in the car. You will need a technician to check this one out. I do think the inside switch is good if the cruise indicator light comes on for you

Make sure the cable from the cruise control motor to throtle is not broken or unattached.

Same thing happened to my Chevy impala, I slapped the hazar switch located on the dash, quite hard and it stared working!!!!

look in your owner's manual for the location of the cruse control fuse it is different from other fuses usually much larger