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The cruise control on my truck is suddenly not operating. The recall pigtail at the brake master cylinder was installed some time ago. There is power at that connector. My first thought was that it's fusible link was the issue, but I guess that is not the case. What else should I check?
Does your horn work? Is your airbag light flashing? If you answer no and yes in order to those questions your clockspring is likely broken. If not disregard my post.
The air bag light is not flashing and I believe the horn is still working. I'll check that tomorrow. I considered the clockspring, but since the air bag light wasn't flashing, didn't think it was likely the issue.
I would try activating the CC with your foot pulling up on the brake pedal. If it works, your brake light switch is out of adjustment.
It looks like you may have hit the nail on the head. I tried this and it seemed to have worked. The brake lights work normally though. What exactly needs to be adjusted?
My current servo is from a 2K something Crown Vic, my original is probably still good. My PSOM turned out to be what was killing my CC function. I had no idea they weren't available.
The brake lights work normally though. What exactly needs to be adjusted?
I believe besides the brake light switch there is also a vacuum dump valve that could be out of adjustment. Don't have a wiring diagram with me here at work to tell if the actual brake light switch is also for CC, or if it has a separate circuit. Just look up at your brake pedal and you should see 2 plungers touching the lever, make sure those are snug up against the lever.
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