Cruise control turns on but doesn't work
Greetings,
I have a 1981 280ZX that doesn't cruise control. The A/C works kinda, but I can't get the cruise to engage. Any help? Albow |
Re: Cruise control turns on but doesn't work
I had same problem, I found a vacuum line plugged. Check for correct line routing also.
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Re: Cruise control turns on but doesn't work
i have the same problem too, someone told me it was the speed sensor that the speedo cable attatches to behind the dash.
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Re: Cruise control turns on but doesn't work
Something that I have found on mine that is keeping it from not working is the little stopper, on the clutch pedal itself, that engages the (I think this is the correct term for it) "Clutch Safety Switch", which is actually the kill switch for the cruise control in the case that you engage the clutch, it kills the cruise, without this little stopper the switch is constantly in the open position and therefore the cruise thinks you have the clutch pedal pushed in. Check it out and see what you think.
Jamie Shelly kd5izq@msn.com ICQ - 159705433 IZCC Number is #12402 |
Re: Cruise control turns on but doesn't work
I had the same problem so pulled the vacume hoses off my 79 this fixed the problem but I can only engage up to 80 MPH. I am thinking of changing the rest of the system to see if that helps. Check your vacume routing first then check you two vacume coils and the boost pump.
Z for go Z for show |
Re: Cruise control turns on but doesn't work
Nah, FIRST thing to check is the safety switch on either the clutch or the brake pedal (depending on whether it's auto or manual). If the switch is not depressed (i.e. the switch isn't being pressed fully by the pedal or it's fitting into a hole in the pedal like mine did) then check the switch, then the hoses. Like I said, mine's an auto but the safety switch and brake light switch both were fitting into two holes in the brake pedal so I had to plug the holes. Hope this helps.
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Re: Cruise control turns on but doesn't work
Hey guy, cool to see another Razorback in the group. What did you do to plug the holes?
Jamie Shelly kd5izq@msn.com ICQ - 159705433 IZCC Number is #12402 |
Re: Cruise control turns on but doesn't work
Sometimes the pedals get worn, so to go along with the other
dudes try putting your foot under and lift the clutch then brake pedals while engaging the cruise. If either of them allow it to be turned on then check the return spring of that pedal. Yeah and why can't I engage the cruise at 110, dammit. |
Re: Cruise control turns on but doesn't work
To plug the holes I just went the cheap and easy route for now, found a screw, nut, and a couple of washers to put in there til I can find a better solution.
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Re: Cruise control turns on but doesn't work
If you need to replace it I have a complete unit out of a 79ZX
Gotta get my Z's |
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