Cruise control lights up on dash but does not engage

Try checking the small switch at the top of the brake pedal. There may be two one for brake lights and one for the cruise control. To ascertain what is what, pull one wire off and see if brake lights work. If not, then the other switch controls the cruise control disconnect and engage..I you have a DC test light check to see if power is on on both side of the switch with brake pedal up. If so, depress pedal and check power on the other side there should be none, if there is the switch is defective.

Just to be sure... (since i just did this today). Steering wheel CC would turn on, but didn't actually work and nothing on the dash indicated. I replaced the brake switch like all sites tell us to do first. Ran the truck over 25mph and hit the CC button. Nothing on the dash, darn... but... when i hit the set button CC worked and dash indicator came on. Moral to this story is the dash light does not illuminate until the Set button is engaged! Maybe a duh moment, but i was disappointed there for a minute.

Is you brake light working properly?

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Hello, "arthur o'neill".
Your car has parts under the hood to engage and control the throttle.
Those parts, as well as others, such as the speedometer,
and its cable must all be working properly,
for cruise control to work.
Either take it a mechanic, or get a 'shop manual',
for your particular model.

Check the owners manual to locate the fuse diagram ,and find the fuse that controls the cruise control. Probably a blown fuse or bad diaphram.

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

When I try to engage the cruise control, the dash light flashes, but it doesn't stay on.

most likely the clock spring is not the problem because when u push the button the dash light cruise comes on.wich means that you do not have an open circuit.with a light tester check to see if you are getting power to the cruise control servo.if you are then replace it.if no power you will need a new cruise control stick on the steering column.