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Author Topic: Cruise Control  (Read 4079 times)
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« on: September 08, 2003, 08:41:28 AM »

Anyone had their cruise control stop working?  :angry:

Checked the fuse under the hood...not blown.

Wanted to get feedback before I schedule a service appointment.

Hmmm....wonder if it's related to a post I put up a few months back...have a low, but annoying hum when I start the car and let idle. When I accelerate (in gear only) the humming stops. Sounds like the defrost fan is on very, very, very low.

Very annoying.

Appreciate any ideas or solutions, fixes.
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« Reply #1 on: September 08, 2003, 10:47:20 AM »

Sorry Haven't had a problem with the cruise in any of my cars.  Shocked If the fuse is good it could be the servo that operates the system. I definitely would head to the dealership and have it checked out.

I know how you feel I'd be lost without my cruise!!


« Last Edit: September 08, 2003, 11:00:22 AM by nxthome1 » Logged

Jack Egan
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« Reply #2 on: September 08, 2003, 11:32:39 AM »

I had a '95 TransSport with Cruise. From the day I bought it whenever I set the cruise it would work for about 45 minutes on the highway, then suddenly disengage. I would re-set it and it would go about 15 minutes and then suddenly disengage, then 5 minutes and then 1 minute, then not set at all. I would drive on without using the cruise for 30 minutes or so, re-set the cruise and start all over again, that is 45 minutes, disengage, 15 min 5, 1, no cruise.

I took it in several times under warranty, and they changed the brake light switch under the brake pedal, the cruise control module (twice) and several other things. They never could figure it out. It generally wasn't that big of a deal because it's hard to use the cruise control uninterrupted for 45 minutes at a time, so I just lived with it until I traded it in.

...having said all that, it doesn't sound like the same problem you had. :wacko:  

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« Reply #3 on: September 16, 2003, 06:54:39 AM »

Sorry it has been awhile since i posted here my computer crashed and i couldnt find the site again!!!!!!!!!!   Any ways, If you havent had the sevice done yet or have and they are baffeled tell them to check the wireing harness coming off the ECM rarely there is a short there and eventually the ECM will go beserk and make you go idle crazy!!!!  They ended up replacing my whole ECM.

Hopefully that helps,

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« Reply #4 on: October 28, 2003, 09:54:22 PM »

There are two main parts to your cruise control.  The module and the turn signal stalk.  The module is under the hood - drivers side mounted to the fender and probably has a cable going to the throttle.  Make sure this cable is still firmly attached to the throttle body.
On this module is a wire harness.  Make sure the harness is plugged in tightly.

As for the stalk, there are several wiring harnesses that attach to the back side.  These are a pain to get to, but you can remove the facia from the bottom of the steering wheel column to access.  Make sure these are plugged in tightly too.  If the problem is still not found, you may have to take it in.
« Reply #5 on: December 05, 2003, 02:47:45 PM »

Had a weird thing going on with my car, one of the systems was Cruise would suddenly disengage. The problem was worse whenever in cross-winds when being overtaken by a 18-wheeler, or when it's raining. It was like the car was scared of highway driving.

I'd be driving along, when the speedometer would drop to zero. Because of the sudden apparent drop of speed, the cruise would disengage. Sometimes the speedo would drop only 50km or so for a split second, and that would cause the problem.

It went back to the garage 5 times. They replaced, the instrument panel, the ECM, the cruise relay switch (or some such relay), and finally found it to be a function of two electrical faults: dirty joint somewhere, and incorrect grounding.

They found the problem by putting it through a full electrical inspection. Took them hours apparently.
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