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RLB 11-12-2012 09:55 PM

Cruise Control problems on 2006 Rubicon
My 2006 Rubicon has a cruise control problem. The CC works for about 20 to 25 miles then the green cruise light goes out and the CC stops working. After I stop for a few minutes, it will work fine for another 25 miles or so. Any help appreciated!

Some Farkin Guy 11-12-2012 10:57 PM

The CC system is operated via a vacuum line. Check your lines for leaks, might just be a slightly loose boot. I had the same issue in my 2005. Does yours by chance have any issues with the vent switch? Mine had a tendency to stay on defrost until I found the leak because it's on the same vacuum line as the CC.

blueskiesbill 11-12-2012 11:09 PM

Not sure if this would help you. Mine acted funny twice and without even realizing I I fixed it twice! Basically I realized that it came back to life after disconnecting and reconnecting my battery. Give it a try: it's only wierd if it doesn't work.

RLB 11-13-2012 04:55 AM

I will check the vacuum line for leaks. I have not had any issues with the vent switch. It is strange issue, the CC works for 25 minutes or so, then shuts down.

kylekae 11-13-2012 07:23 AM

At least your Ruby has cruise control haha, but really check the vacuum box where there hoses attach at the nipples, sometimes the hoses somewhat rot and leak there.

RUBI 4 MY MRS 11-13-2012 02:46 PM

Mainly check the vacuum line to the reservoir in the fender well under the battery.

RLB 02-16-2013 09:56 AM

Cruise Control
The problem with the Cruise Control was the brake pedal switch, I picked one up and put it on and the cruise works great. I conducted an ohm test on the old one and sure enough, it was bad. Thanks for all the great advice, this is great forum. I found detailed instructions on how to find and replace it, only took fifteen minutes. Thanks Jeep Forum!

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