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Cruise Control Not Working - no light?

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Old 06-08-2015, 08:30 PM
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Default Cruise Control Not Working - no light?

I'm trying to determine why the cruise control (Speed control) is not working in my 96 XJ. When I press the botton, the light doesn't even light up on the dash. I already looked at all the vacuum hoses, and they look fine.

Guessing it's an electrical issue?
Old 06-09-2015, 11:13 AM
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horn works? airbag light on or off?
Old 06-09-2015, 07:04 PM
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slide your finger behind the cruise button and push it out, then try it...works on mine..

Last edited by BruceB; 06-09-2015 at 07:07 PM.
Old 06-09-2015, 07:54 PM
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Originally Posted by XJ-kee
horn works? airbag light on or off?
Everything else in the vehicle works, including the horn. No airbag light is lit.

Originally Posted by BruceB
slide your finger behind the cruise button and push it out, then try it...works on mine..
I'll give that a try, although the button pushes in and out just fine.
Old 06-15-2015, 09:46 AM
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Is there any way to test the CC servo under the hood? I'm wondering if that's the issue. Vacuum is good under the hood.
Old 06-16-2015, 10:09 PM
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vacuum line check it at the T on passenger side
I lost A/c and cruise till I found it loose
Old 06-30-2015, 07:30 AM
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I checked over the vacuum lines several times, there are no leaks. I'm starting to think this is electrical related, so I verified the fuses. None are blown.

Is there any other things I should be checking? Horn works btw...

Last edited by Jeep4L1fe; 06-30-2015 at 07:40 AM.
Old 06-30-2015, 07:46 AM
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I have the same issue on my 92. No blown fuses, all vacuum lines are good, but no cruise control. I can't figure mine out.
Old 06-30-2015, 10:54 AM
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Originally Posted by Jeep4L1fe
I checked over the vacuum lines several times, there are no leaks. I'm starting to think this is electrical related, so I verified the fuses. None are blown.

Is there any other things I should be checking? Horn works btw...
If you want to pull the airbag off (not very difficult) you can pull the switches off and start checking the resistance values of the buttons as you press them. I found this awhile back and have posted on some various sites:

95-96 (pin 1 is at left with connector latch at bottom looking at back of switch):
No switches depressed: 806 ohms (tolerance 8 ohms) from pin 1 to pin 2
Cruise on switch depressed: 909 ohms (tolerance 9 ohms) from pin 2 to pin 3
Resume/accel switch depressed: 15400 ohms (tolerance 154 ohms) from pin 2 to pin 3
Set/coast switch depressed:
6650 ohms (tolerance 66 ohms) from pin 2 to pin 3
edit: If you want to also pull off the steering wheel, you can check continuity in the clockspring to make sure you have a connection from the switches into (and out of) the clock spring. Makes it easiest if you have some alligator clips or some wire that you can click a multi meter onto.

Last edited by XJ-kee; 06-30-2015 at 10:57 AM.
Old 06-30-2015, 05:08 PM
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Originally Posted by XJ-kee
If you want to pull the airbag off (not very difficult) you can pull the switches off and start checking the resistance values of the buttons as you press them. I found this awhile back and have posted on some various sites:



edit: If you want to also pull off the steering wheel, you can check continuity in the clockspring to make sure you have a connection from the switches into (and out of) the clock spring. Makes it easiest if you have some alligator clips or some wire that you can click a multi meter onto.
Guess I'll have to give this a go... is there any way to check the cruise control servo near the battery?
Old 06-30-2015, 06:15 PM
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Originally Posted by Jeep4L1fe
Guess I'll have to give this a go... is there any way to check the cruise control servo near the battery?

Don't start yarding things apart right now.


Does the cruise control advisory light bulb work?


The light lets you know the system is ready to be activated when you punch ON. The servo comes into play when you punch SET. No need to troubleshoot the servo if you can't get the light to come on.


Light first. No light, no worky.
Old 06-30-2015, 07:28 PM
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Originally Posted by CCKen
Don't start yarding things apart right now.


Does the cruise control advisory light bulb work?


The light lets you know the system is ready to be activated when you punch ON. The servo comes into play when you punch SET. No need to troubleshoot the servo if you can't get the light to come on.


Light first. No light, no worky.
When I press the ON button, no lights turn on.
Old 06-30-2015, 08:30 PM
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Me neither. Mine is like a dead button.
Old 07-01-2015, 06:15 AM
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Originally Posted by Jeep4L1fe
When I press the ON button, no lights turn on.
Does the bulb work? Turn the key to RUN, before cranking, and the advisory lights should illuminate for a few seconds. Check them.
Old 07-01-2015, 06:49 AM
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The cruise on my 96 did not work when I got it. The buttons needed a blast of compressed air to clean the dust/debris off contacts. Worked good ever since.


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