odometer and cruise control questions

[Jo-Ski]

Hi, folks--

We have our Bird in for some minor repairs at a good, reputable, big-truck place, but the mechanics arehaving trouble figuring out a few things. I did try to search the archives, but didn't really seem to find specific answers, so may we please call upon your expertise, regarding the following questions:

• The odometer was working only intermittently. What runs the odometer?
  

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• The mechanics think the pick-up for the cruise control is no good. What does the cruise control work off?
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I hope those questions are not too vague. We're asking them the best way we can!
Thanks very much in advance for any help you can offer!


Jo-Ski (also for Stew)
"The Bird Abides"
'83-FC 35 RB (which is still for sale on Buzzy's Billboard/vintagebirds.com, btw)
Blaine, WA