Cruise control troubleshooting?
Thread Starter
Intermediate
Joined: Mar 2001
Posts: 27
Likes: 0
From: Emporia, VA
Cruise control troubleshooting?
Maybe you guys can help me out. Cruise hasn't worked since I bought the car, but it was never a high priority to fix it, until......my speedometer stopped working. Figured out my transducer had seized, so I got a remanufactured one and replace it. Speedometer works fine now, but cruise still doesn't work. All vacuum lines are in place and OK and so is the fuse......
So, can y'all give me an idea of what to check next? :confused:
So, can y'all give me an idea of what to check next? :confused:
Burning Brakes
Joined: Dec 2000
Posts: 1,183
Likes: 2
From: Des Moines Iowa
Re: Cruise control troubleshooting? (NeedaC3)
There is a trouble shooting procedure to follow, which I believe came on a sheet of paper which came with the rebuilt transducer I installed in my '81. I just don't have it with me right now. Can't remember if my Haynes Manual is much help with trouble shooting this system. Are you certain vacuum hoses are all OK? Suggest you 'pull' vacuum on the system by using a hand held vacuum pump, if you haven't already done so, to verify that you don't have a vacuum problem. I found that I had a kinked vacuum hose under drivers side dash, which is routed to the emergency headlight release switch, during my repair to the cruise control system. Suggest you replace all old/hard vacuum hoses with new, just to eliminate a bad/leaking hose from the problem possibilities. I do remember getting at the cruise control wiring harness under/by the steering column, and going through a trouble shooting procedure to verify that the electrical portion of the cruise control system was in fact operational. If you don't get additional help on this question, I'll see if I can remember to look for the trouble shooting procedure when I get home tonight.
Racer
Joined: Dec 1999
Posts: 493
Likes: 4
From: Palmyra Pa
Re: Cruise control troubleshooting? (NeedaC3)
Make sure you make the ground connection at the transducer. Check the swithes at the brake pedal and clutch (if have one). They trigger off the cruise. Inspect the actuator at the carb throttle linkage. I'll send you by email the trouble shooting guide. :cheers:
Burning Brakes
Joined: Dec 2000
Posts: 1,183
Likes: 2
From: Des Moines Iowa
Re: Cruise control troubleshooting? (Dsmith)
I need to amend my earlier reply in one regard, since what Dsmith said above, reminded me that the kinked hose I discovered under the dash was by the steering column, and was connected to the switch which is connected to and activated by the brake pedal, to disengage the cruise control when you apply the brakes. I erroneously stated in my first post that the hose connected to the headlight pull switch below the steering column, must have been another of my 'senior moments', sorry about that.
Racer
Joined: Sep 1999
Posts: 316
Likes: 0
From: Leesville Louisiana
Cruise-In VIII Veteran
Re: Cruise control troubleshooting? (NeedaC3)
My cruise didn't work when I first got my car either. Had my mechanic check it out and it was as simple as the cable wasn't even connected to the throtle linkage. The retaining clip had come off and the cable had vibrated off the linkage. A new retaining clip and my cruise works great now.
Never underestimate the simple fix ;)
Never underestimate the simple fix ;)
Melting Slicks
Joined: Mar 2001
Posts: 3,365
Likes: 5
From: Lake Villa IL
Cruise-In IV Veteran
Cruise-In V Veteran
St. Jude Contributor
Re: Cruise control troubleshooting? (NeedaC3)
I don't know if this will help you, but I've found that the chain, the one that looks like the chain from a dog tag, must be tight. After so many years, my chain became really loose. After tightening it, my cruise worked a lot better.
Race Director
Joined: Feb 1999
Posts: 19,659
Likes: 34
From: Lenoir City Tennessee
Ci 6, 8 & 10 Veteran
St. Jude Donor '05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15
Re: Cruise control troubleshooting? (jerryp58)
When I first bought my 79, the cruise didn`t work either. What I found was the ground disconnected. I temporarilly connected it to the brake booster and my cruise worked great until the transducer lost its mind. Make sure you have a good ground to work with.
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Burning Brakes
Joined: Apr 1999
Posts: 905
Likes: 0
Re: Cruise control troubleshooting? (NeedaC3)
If anyone has a troubleshooting guide for the cruise I would really appreciate a copy of it. Other than my clock, that is the only thing not working on my car at the moment, knock on my wooden head :smash:
You can email it to me at RDWardell@aol.com or Fax @ 1-509-692-0638.
Thanks
STW :seeya
Robert
76Stinger
You can email it to me at RDWardell@aol.com or Fax @ 1-509-692-0638.
Thanks
STW :seeya
Robert
76Stinger
