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Old 12-02-2011, 09:28 AM   #121
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I sold the clockspring I had a while ago, neglected to post it here.

Glad people are making good use of this thread. It was a pita over the weekend to suss all the wiring out and I wanted to save others the headache. Still enjoying having cruise, never gets old on long trips!

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Old 03-15-2012, 08:54 AM   #122
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I read most of this thread. Great info! My question is, I have a 98 4.0 auto ZJ which is totaled. I want to put the cruise in my 99 TJ 5 speed stick. It's not pre wired. Will these parts work together?

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Old 03-15-2012, 09:20 AM   #123
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Old 03-15-2012, 10:05 AM   #124
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Old 03-15-2012, 09:50 PM   #125
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Quote:
Originally Posted by John in Vegas
I read most of this thread. Great info! My question is, I have a 98 4.0 auto ZJ which is totaled. I want to put the cruise in my 99 TJ 5 speed stick. It's not pre wired. Will these parts work together?
The actuator is probably the same, but the mounting bracket is different.you'll need to check the part numbers on the switches to make sure they're the same.
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Old 03-16-2012, 03:10 PM   #126
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Thanks!!! My main concern is touching the clutch to disengage the c.c.
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Old 03-16-2012, 03:27 PM   #127
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Old 03-19-2012, 10:33 AM   #128
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Quote:
Originally Posted by smccollamjr View Post
The actuator is probably the same, but the mounting bracket is different.you'll need to check the part numbers on the switches to make sure they're the same.
I agree, the mounting bracket and steering wheel buttons are the x-factor.
There should be no variance based on the type of transmission, everything runs off the ECU. The solenoid should also be similar, the rest is wiring, vacuum tube, and the throttle cable.
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Old 03-20-2012, 09:05 PM   #129
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Originally Posted by John in Vegas View Post
I read most of this thread. Great info! My question is, I have a 98 4.0 auto ZJ which is totaled. I want to put the cruise in my 99 TJ 5 speed stick. It's not pre wired. Will these parts work together?
Yes, granted the actuator has the same number of wires AND resistance is correct on the switches. You may have to modify your clock spring and use the steering wheel from ZJ, I did it with grand cherokee parts
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Old 03-20-2012, 09:16 PM   #130
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I used a clockspring from a '00 XJ on mine.
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Old 03-24-2012, 08:56 AM   #131
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Hey, I am new on here just would like to say thanks for all the help I have gotten before becoming a member. So my question is i pulled the whole wire harness out of a 98tj and put it in mine. I used the clockspring and buttons out of a 00tj but its not working any ideals.

Thanks
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Old 03-24-2012, 10:58 AM   #132
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It's probably the buttons. Even though they look the same they are different from year to year. You need to get the ones for your year. The wiring, clock spring, and solenoid should be fine. What year is your TJ? I may have a set of buttons that will work for you. I bought them for my '00 but they won't work. If you tell me what year yours is I'll look up the part number and see if they match.
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Old 03-24-2012, 04:52 PM   #133
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Mine is a 98 also.
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Old 03-24-2012, 05:23 PM   #134
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I'll check the part numbers later tonight.
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Old 03-24-2012, 06:05 PM   #135
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Ok thanks and what about a fuse shouldnt there be one for it.
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Old 03-24-2012, 10:07 PM   #136
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The set of swtiches I have are for a '98. You can have them for $25 shipped. There is no fuse.
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Old 04-16-2012, 11:48 AM   #137
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young-blood, thanks for your thread on Junkyard Cruise Control for TJ's, great job!!! Just installed cruise on my '06 six speed TJ. Followed your advice and completed the job with minor hassles (self inflicted of course). The '05 and '06 TJ's connector and pins numbers are slightly different than your '04. As you recommended, I went to my Michigan State e-library online and printed out the Chilton's prints. The ECU (PCM) connector layout is the reverse of an '04. Ordered my parts from a Wrangler Junkyard in Ohio and the cost was just lower than the $140.00 you guessed. Thanks again!!
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Old 04-26-2012, 10:51 AM   #138
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Nice!
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Old 04-29-2012, 12:17 PM   #139
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Originally Posted by John in Vegas View Post
Thanks!!! My main concern is touching the clutch to disengage the c.c.
Well, you could put a second switch on the clutch pedal in series with the 'power' through the brake switch to the servo. Have touching the clutch interrupt the power. Both pedals would have to be fully up for power to get through.

Years ago I had a car that I put an aftermarket cruise into. Only I didn't like the cruise control stalk so I make a little switch panel in my console. It was a standard. They had a 'chain' that hooked to a switch on the brake pedal to the firewall. But the kit actually came with a small 'pulley' you mounted on the firewall if you had a clutch. In a brake only setup, pressing the brake pedal let tension off the chain and broke the power path through the switch. With a clutch, pressing either pedal would let the chain go slack through the pulley and brake the connection.
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Old 04-29-2012, 12:26 PM   #140
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1999 Cherokee

I found this thread INVALUABLE!! Recently I've been though the junkyards (er, SALVAGE and RECYCLING depots!) and picked up the parts to put cruise in my 1999 Cherokee. I was doing it strictly from the Mitchell and Haynes.

Anyway, found the servo, switches, and clockspring in a 2001 that was totaled. It APPEARED to be an easy install, other than the panic about the clockspring.

Got everything installed and no go. Well, the Jeep goes, but the cruise won't function. So for the past two weeks I was in a panic trying to trace things out. Then found this forum and saw the comment about wiring to the ECU, and the early response that said if I had the connector it should just plug in.

Anyway, I've been checking things out today. Everything is there, everything is connected. But it won't work.

But... I saw something wierd. All the sample schematics in Haynes and Mitchell show the switches on the wheel as resistors in series except the On/Off. However, when I checked the resistance values (right at the ECU C1 and C3 connector) I see a resistor in line with my On/Off button. The Cancel button has the direct connection. In fact, here are my resistance values:

On/Off 920
Set 6.6K
Resume 15K
Coast 3K
Cancel 0K (short)

I went on-line and found a place that sells replacement switches, and they show the same part number for 1999-2001 Cherokees. Are they wrong?

Does anyone know what the correct resistors should be? I'm going to try to take it out today and see if I can get it to activate with the Cancel button and then figure out what the other buttons should be. I can't get to the yard until next weekend. And another issue the only 1999 with cruise they have has a warning on the windshield of 'Needles' so I hesitate playing in that car to take the wheel apart.

Mike
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Old 05-01-2012, 09:08 PM   #141
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dad, I'm not sure about XJs, but I think they are different on '99 and '00 TJs.
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Old 05-03-2012, 01:58 PM   #142
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This is a great thread and I am looking at ordering the new cruise kit since I have the wiring. How long should it take total with the wiring harness and the right clock spring?
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Old 05-04-2012, 04:15 AM   #143
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Well, I went online to see about the switches, and at least one place list the same part number for multiple years from 1999 on. But just in case, I'm going to the yard this weekend and measure a 1999 model.

As to the other question, it shouldn't take long.

Pull the battery connection. About 10 minutes, including wait time

Mount the servo, maybe 15 minutes

Steering wheel. About 5 minutes to pull the bag, and old plates, then 5-10 minutes to put it all together.

Hook up the battery. 2 or 3 minutes.

With the Cherokee, the servo is next to the battery, and you really have to pull the battery out of the vehicle to mount the servo, otherwise it's impossible to get tools in there. Even so, you should be able to do the job in about an hour.

Clock spring though is the biggie. Figure on an additional 20 minutes to pull the wheel. 30 or more if it's from scratch, but it's not much more time is you already have the airbag off. Just be VERY careful of the clockspring. Make sure your wheel is straight when you pull it off and put it back on exactly as you took it off. Scribe the shaft and wheel before you pull it off.
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Old 05-04-2012, 07:59 AM   #144
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Originally Posted by JRoweMDN View Post
This is a great thread and I am looking at ordering the new cruise kit since I have the wiring. How long should it take total with the wiring harness and the right clock spring?
I purchased a kit as I also had the correct clock spring, and, the wire plug under the master cylinder. All told, start to finish, about an hour. Took my time but very easy. Just make sure you wait at least 5 minutes, after you disconnect the battery, before you remove the air bag from the steering wheel. My 2004 factory manual says to wait 2 minutes but I like to be sure. Best single upgrade I made to my Rubicon. Long trips now enjoyable.
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Old 05-05-2012, 08:35 AM   #145
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The sage continues!

Well, the cruise control saga continues.

But... There may be light at the end of the tunnel. I just hope it's not a Kenworth.

Turned out...

The wreck that I got my parts from I originally THOUGHT It was newer than 2000, but it was partially disassembled and I didn't check vin. I got the servo, switches, and the clock spring. I installed all the parts in my 1999.

The cruise wouldn't work. I checked the switch resistance at the computer with a meter from C1-4 to C3-32, and it was wierd. It showed that the Cancel button was a short to ground, but the schematics I could find all showed the On-Off button as the short to ground.

I went and checked on the web. Information there indicated that the same switch was available as a replacement part for 1999 and later Cherokees. (And for up to I think 2005 Wranglers?)

So I went back to the yard. Found what I thought was a 1999. The resistance was different. So I pulled those switches out. (Was kind of stressful, as I wasn't going to sit in the thing since the yard had written 'needles' in big white letters on what was left of the windshield. Too bad, they were nice leather seats.)

Anyway, I went and double checked, and the original jeep I thought was a 2000 was actually a pretty smashed up 1998, which was a different switch acording to aftermarket parts people. And the 1999 with the needles was actually a 2001. However that seemed to cross.

So, here's the differences between the switches.

------ 1998 2001
None Open 19K
On 920 440
Set 6.6K 4.1K
Res 15K 8.35K
Coast 3K 2.5K
Cancel 0K 1.15K

Notice that the BIG difference is the newer switch always loads at LEAST 19K on the line to the computer.

It's raining right now, so I'm not gonna work outside. Have other things to play with, but hopefully I get the wheel apart this afternoon and get the switch swapped and I'll find out if that does the trick!
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Old 05-05-2012, 08:47 AM   #146
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These are the resistances I read on my swithes. I got the following on my buddies '01 XJ:

No buttons: 2,050
On: 460
Set: 430
Resume: 8,800
Cancel: 0
Coast: 2,590
I think you mixed up the ranges...

how can you have two of the buttons pressed a higher resistance than no buttons pressed? And the on and set are WAY too close for reliable distinction between the two.
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Old 05-05-2012, 12:36 PM   #147
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That was it!!!

I swapped the switches to the units from the 2001 and the cruise now works just fine.

So... My total job, IF I would have done it right, would have been:

Servo and clockspring from a 1998 Cherokee. $25 for the servo and switches (wrong switches). $25 for the clockspring.

Switches from a 2001 Cherokee. (Yard gave them to me free)
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Old 05-05-2012, 02:21 PM   #148
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So... If anyone needs a switch set from a 98...

Mike
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Old 05-06-2012, 12:38 AM   #149
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Originally Posted by boomer49 View Post
I purchased a kit as I also had the correct clock spring, and, the wire plug under the master cylinder. All told, start to finish, about an hour. Took my time but very easy. Just make sure you wait at least 5 minutes, after you disconnect the battery, before you remove the air bag from the steering wheel. My 2004 factory manual says to wait 2 minutes but I like to be sure. Best single upgrade I made to my Rubicon. Long trips now enjoyable.

Thanks. It is now on my list of items I can do.
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Old 05-24-2012, 08:56 AM   #150
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Update on my Cruise Control install. Worked first time and for about a month and then quit. Turn on ignition and hit ON and the the Cruise Light would flash on then off ???? Checked all wires twice. Had a friend with an 04 TJ come over and we verified the Servo and Switches. Used this thread and verified the resistances. Now what? Of course, as I was looking at the prints, the theory and checking the wires for the fourth or fifth time, my reading from the PCM through the Brake Switch and back to the PCM, was intermittent this time. It was pin 4 on the connector that was intermittent. A connector that I never touched during install. Fixed the connector and all is well. Just another story among a long list that just makes you want to ??????? Just had to share this!

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