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post #1 of (permalink) Old 08-30-2001, 07:59 PM
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cruise control

my cruise control on my 90 model fullsize blazer doesn't work and the vacume lines look good so is it possible to be an electrical problem in the steering column. i know my old 83 chevy had a brake switch with vacume lines going to it that turned cruise control off when i hit the brakes. is there one on this truck i dont remember seeing one when i put in the cd player. any help is appreciated.

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post #2 of (permalink) Old 08-31-2001, 12:31 AM
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Re: cruise control

possible problems:

- blown fuse
- short or open circuit in the CC circuit
- faulty brake or clutch switch
- leaky vacuum circuit
- faulty CC switch
- faulty stepper motor
- faulty transducer
- faulty speed sensor
- faulty CC module

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post #3 of (permalink) Old 08-31-2001, 08:50 AM
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Re: cruise control

Probably the switch. It is the usual suspect. See if you can get a spare one from a local dealership and try it. They asre easy to replace, cost about 60 bones for a new one, about 10 min to install.

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post #4 of (permalink) Old 09-01-2001, 12:05 PM
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Re: cruise control

the usual problem I have found is the wires break on the turn signal lever which go into the switches. there is also a brake switch on the brake pedal. It's an electric switch that must be closed for the cruise to work, it could be out of adjustment

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