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- - cruise control (https://www.cadillacforum.com/forum/general-tech-7/cruise-control-7416/)

ronald32966

11-06-2008 05:01 PM

cruise control

My 1987 coupe deville cruise does not engage. I flip the switch to on and the green light comes on. I push the the button to engage but it dosen't engage. Any ideas ?
Thanks.

brougham1

11-07-2008 02:56 AM

RE: cruise control

Is the fuse ok for the cruise circuit?? If the green light is on and system is not controlling the speed, check for a short in the pink wire which is the link between switch and controller. Is the chain taught or slack?? There is a lot of testing that can be done with the different valves and sensors , I could go on for another page or two.

groce45

11-12-2008 04:32 AM

RE: cruise control

where is fuse on 92 allante?

84 Coupe

11-17-2008 02:48 PM

RE: cruise control

I had the same problem and it turned out to be too much slack in the chain. I left a slight amount and now it works well.

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