CRUISE CONTROL
I have been having intermittant issues with my CC since I got my jeep, itll work for a couple weeks then it wont work at all, or it will turn on but goes off at random or if i hit a bump. :censored: I was reading on jeep forum that the cc is run through the brake switch (makes sense), I also noticed that when I go around a sharp turn at higher speed my brake lights come on without me touching the pedal. Could my brake switch be out of adjustment or gone bad? How do I test/adjust this?
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i'm guessing it is similar to a XJ, so simply go to the brake pedal, look behind, there will be a switch that is held on by a plastic clip. all you have to do is push (or pull, can't remember) that clip in maybe 1 or 2 "clicks" and it'll be adjusted. in case you go too far, just pull (or push) on it to reverse the process.
edit: looking at parts online they seem to be a bit different, here's the XJ one, notice the threaded part of the plastic, that's what i was referring to http://www.rockauto.com/info/903/1S4999.jpg here's the ZJ one, no threaded part, but the process might be similar http://www.rockauto.com/info/903/1S4998.jpg final edit: they seem to be self adjusting brake light switch. https://www.youtube.com/watch?v=x-BYHle-rzo |
Thanks. Ill look and see. I should also add that I dont think it is vacuum related as the system holds a vacuum to the point I can go out there an hour after shutting the jeep off and its still holding.
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i had a similar issue in my XJ. i'd lose the cruise control when hitting bumps on the highway and after looking for a leak but not finding any, i tried the brake light switch trick and it took only 1 or 2 clicks, everything was then fixed.
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Originally Posted by JSJJ388
(Post 3354146)
Thanks. Ill look and see. I should also add that I dont think it is vacuum related as the system holds a vacuum to the point I can go out there an hour after shutting the jeep off and its still holding.
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