- #7 of 48
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Re: '94 Cherokee cruise problem [rhysohio]
by mizer
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Sep 04, 2007 (8:42 am)
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Replying to: rhysohio (Aug 15, 2007 9:14 am)
Hi guys. I too had this same problem on my 95 Cherokee Country a couple of times. The first time my Cruise control would work but didn’t quite keep up my speed I set it at. What I found was that the vacuum line that goes to the reservoir behind the front bumper had a small hole in it from chaffing right above the vacuum reservoir. I currently had a problem where it would work intermittently then soon after not at all. At the same time my Air Conditioning went out too. My AC would not work on any of the regular setting and the fan wouldn’t even blow but it would blow cold air through my Defroster with the lever in the Cold position. After double checking the vacuum line in the engine compartment I found no Vacuum leaks. The recirculation part under the dash below the glove box side was working correctly and I could here the vacuum pressure bleeding off when I would slide the temperature slider. To fix my problems this is what was changed. The AC it was the climate control module thing. The whole assembly. That fixed the AC. For the Cruise Control it turned out to be the Brake Switch. In all I spent $502.00 dollars for $131.00 in parts on a job I could have done myself if I would have known. So hopefully this will help someone else out. Good luck.
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- #8 of 48
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Re: '94 Cherokee cruise problem [mizer]
by goldstein_j
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Oct 01, 2007 (12:53 pm)
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Replying to: mizer (Sep 04, 2007 8:42 am)
When you say you had to change the Climate Control Module Thing, do you mean the actual unit that you turn the knobs on? Or some internal piece? Also with the brake switch, how did you change that? My 2004 Jeep Grand Cherokee is doing both the same things as you mentioned.
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- #9 of 48
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Re: '94 Cherokee cruise problem [goldstein_j]
by mizer
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Oct 01, 2007 (1:32 pm)
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Replying to: goldstein_j (Oct 01, 2007 12:53 pm)
Yes, the whole module. The part with the selector levers for heat and AC that slide horizontal and the air blower half knob or what ever you would call it. That fixed my AC system. I am not exactly sure where the Brake switch is located. I took my Jeep to the dealer so they changed out the Brake switch but I would be willing it is not hard to change out. I would have to look through my Jeep shop manual to be sure though. Have you checked the vacuum lines in your engine compartment from the vacuum reservoir? The very first time I was having a problem with my Cruise Control I found a small hole in my vacuum line right before the reservoir where the line was rubbing on the framework. When I checked my AC I pretty much new it was that control unit after checking the vacuum that I had going to it. It is not hard to replace it is just a little time consuming. If you would like more info. You can e-mail directly if you like. Click on my name on above this post and it will give you my e-mail address and I can go in to detail of what I did to troubleshoot my problems as well as pictures of what was done. Good luck.
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- #10 of 48
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2002 JEEP GRAND CHEROKEE -- CRUISE CONTROL INTERMITTEN (re my Aug 12 msg)
by bheiar
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Oct 01, 2007 (2:09 pm)
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Have had my 2002 Jeep Grand Cherokee in the shop 6-7 times in the past month and a half for cruise control problems($200 diagnostics charge) It would set a code in the computer, but as soon as you'd turn off the ignition the computer would reset with no code. When they finally did catch the code while the engine was still running, the code could not be identified (no one including tech support could trouble shoot the codes). The PCM was replaced(at no charge), but the cruise still cut out when test driven afterwards. FINALLY!!! Somebody started checking different switches and modules/relays that effect the cruise control. It was determined the the brake switch was not sending the correct signal to the PCM and/or cruise control assembly. I was told that the brake switch was replaced, and now everything seems to be working at this time. I have been driving the vehicle for about 6 days now(that's the longest I've had it out of the shop in the past month and a half. I'll keep my finger crossed.
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- #11 of 48
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Add on cruise control to 2000 jp sport?
by 3rdjeepowner
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Oct 13, 2007 (6:31 pm)
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I have recently purchased my third jeep. Unfortunately, it did not come with cruise control. It helps a lot on long trips because of an old back injury. I understand no dealer offers this anymore, but how about an aftermarket one. Also, any effect on the computer on a 2000 jeep cherokee?
3rdjeepowner. 
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- #12 of 48
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Adding Cruise Control to 2000 jp sport
by 3rdjeepowner
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Nov 05, 2007 (8:26 pm)
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 To Steve and Tidester. I received no input on my request for info on adding on a cruise control,so I decided to research it on my own.
I started on page one, and have been reading the many Jeep questions. I finally found an answer to a post that was made Aug 29th,'05. It seems OEM not available, and after markets unsure of effect on a Jeep computer.
I like thank both Steve and Tidester for such a vast array of info that covers Cherokees from bumper to bumper.
This forum has taught me so much in so short a time how to properly care and maintain my Cherokee for years to come.
For all the regulars who contribute their knowledge on various subjects, I also would give thanks to them.
I'm only half way through 2200 plus questions and comments, but I look forward to reading them all.
Rog
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- #13 of 48
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Re: Adding Cruise Control to 2000 jp sport [3rdjeepowner]
by tidester HOST
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Nov 05, 2007 (10:29 pm)
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Replying to: 3rdjeepowner (Nov 05, 2007 8:26 pm)
I look forward to reading them all.
Read it carefully - there's going to be a quiz on it! 
Seriously, thanks for the kind words and we're gratified that you find the Forums so helpful. 
tidester, host
SUVs and Smart Shopper
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- #15 of 48
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Re: 2002 JEEP GRAND CHEROKEE -- CRUISE CONTROL INTERMITTEN (re my Aug 12 ms
by hibtone
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Nov 30, 2007 (3:03 pm)
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Replying to: bheiar (Oct 01, 2007 2:09 pm)
I'm having this same problem. I stopped by Advance to get a brake switch, but it wasn't in their parts listing, and searching some of the online parts places hasn't turned anything up either. Does anyone know the actual name for this part?
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- #16 of 48
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Re: 2002 JEEP GRAND CHEROKEE -- CRUISE CONTROL INTERMITTEN (re my Aug 12 ms [hibtone]
by mizer
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Dec 03, 2007 (3:49 pm)
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Replying to: hibtone (Nov 30, 2007 3:03 pm)
On my invoice that is what it was called. It's that little switch on your Brake pedal arm. Here is a link to what you're probably looking for. link">http://www.rockauto.com/catalog/x,carcode,1386783,parttype,10474">link title
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