Georgia Fiero Club Forum

All Things Fiero => General Fiero Discussion => Topic started by: 88_4mula on February 11, 2010, 04:27:08 pm

Title: Cruise Control Questions
Post by: 88_4mula on February 11, 2010, 04:27:08 pm: I found an article on-line "Troubleshooting the Cruise Control" by Oliver Scholz.

It says that all cruises use a external module are the same except the '87~'88 4-cyl.

What it does not say is...Are the 4-cyl and the 6-cyl modules the same?

I think I need a Module for my '88 V-6. Is it the same as the same module as the 4 cyl?
Title: Re: Cruise Control Questions
Post by: Fierofool on February 11, 2010, 07:20:34 pm: I believe the 87 & 88 4 cylinders run through the ECM.
Title: Re: Cruise Control Questions
Post by: 88_4mula on February 14, 2010, 11:33:29 pm: I may have found the problem...
Does anybody have a cable that connects the cruise to the throttle?
Title: Re: Cruise Control Questions
Post by: Fierofool on February 15, 2010, 06:41:02 am: Yep!
Title: Re: Cruise Control Questions
Post by: 88_4mula on February 22, 2010, 02:55:57 pm: I went to U-Pull It and found the clips... installed the cable,still no good.
Dug up the cruise control papers I bought from Rodney and went through the trouble shooting guide.
It might be the Servo...
Does anybody have a servo I can borrow to see if that is the problem?
Title: Re: Cruise Control Questions
Post by: Fierofool on February 22, 2010, 04:45:44 pm: Yep!
Title: Re: Cruise Control Questions
Post by: 88_4mula on February 22, 2010, 05:34:45 pm: Charles...Your a man of many words!
Title: Re: Cruise Control Questions
Post by: RobsFieros on February 22, 2010, 07:55:24 pm: Yep...he is ;D
Title: Re: Cruise Control Questions
Post by: 88_4mula on March 07, 2010, 10:22:23 pm: Got it fixed.
Charles had a extra vacuum purge silenoid.
Thanks to Charles..

For future reference all cruise control parts are interchangeable...
Purge silenoid, diaphragm silenoid, control stock & control module.
I swapped all parts back and forth till I found the bad part.

After all this I know about all there is to know about the cruise control.
If anybody has any question about the cruise control let me know and I will help the best I can....
Title: Re: Cruise Control Questions
Post by: GTRS Fiero on January 16, 2020, 07:06:08 pm: I believe the control module is different on the '84, and suspect the '87-'88 4-cyl is different, also.