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Cruise Control on 91 Buick Regal..


wreckless123

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My cruise works half the time. Sometimes for hours at a time and then just quit? From reading here, there is possiable a corroded ground to the CC box. Could someone help me find the CC box and were the ground is located that I am looking for. Pictures would really help.. Thanks for any help in advance..

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The cruise module is attached to the driver's side strut tower, and on the 91's, it should have a large rubber diaphragm on the outside of it, and will also have a vacuum line connected. In the vicinity of the battery, check the condition of the vacuum lines and the 3-way check valve. Check the vacuum canister under the driver's side fender (near the bumper) for any cracks or broken vacuum line.

 

There's also a cable running from the module to the throttle body, so if you ever need to hunt down a cruise module on another car, that's the surefire way to find it.

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