Figured this would be in the sticky, but didn't find anything. My factory cruise control has never worked and I don't know squat about cruise control systems other than the names of the components and everything does seem to be present and connected. So where do I start with the diagnostics?

 

I've worked on a cruise control unit on a 96' 12v and visual inspection it looked fine but the cruise operates on a vacuum one of the lines was just old and cracked but not completely broken. I'm not sure if its any different for a 1st gen. if it is the same it's a fairly easy fix.

 

If your horn doesnt work then its your clock spring in the steering column stoppin the cruise from workin.....and check fuses too.

 

The switches on the steering wheel and the clock spring are the two most common trouble spots.

Check the switches first, they are easiest to check.

 

The clock spring can still be bad even if the horn does work. The horn has the largest contact through the clock spring so the rest of the contacts can break and the horn will still be good. You really just need to test the continuity of all wires going through the clock spring. The FSM has a really good section on diagnosis of the CC.

 

what do you have to do in order to check the switch?

 

Pull off the horn cover so you can unplug them from the clock spring.

 

Horn and everything else on the steering wheel works fine. No crunching sound either.

How does the horn cover come off? I am not feeling any screws on the underside...

 

They are there, just tucked way up in the wheel.

 

For me, it was the brake light switch.
It's real easy to check, just twist yourself under the drivers side dash. Follow the brake pedal arm up and you will see a small metal switch box with one button coming out. That needs to make contact with the brake pedal arm. If this doesn't make contact, the cruise thinks you are stepping on the brakes and it wont work.
good luck.

 

Would anyone happen to have a good copy of this to share?
Jim

 

I don't have an electronic copy, all i've got is the complete FSM "bible" version from geno's and no way to scan the pages. It would be nice if someone had an electronic version of the entire FSM!!

sorry, Aaron

 

Give me some time...I just got mine...
I hate hard copy, so hard to find cross references....