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Old 03-20-2006, 11:00 AM   #1
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Question Mystery Part

OK, I stopped playin with engines about the time they started adding all the smog stuff. I do not think this has anything to do with engine performance.
Maybe Cruise Control?

There is an actuating arm, connected to the center of it that looks like it attached to the throttle linkage???
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Old 03-20-2006, 11:31 AM   #2
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Andre, that is the vacuum motor for the cruise control. It should have a vacuum hose from the intake manifold leading to it via the cruise transducer.
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Old 03-20-2006, 04:35 PM   #3
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Thanks, I suspected that is was, Hope I can get it working again!
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Old 03-20-2006, 05:58 PM   #4
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Andre,
Don't even try, the old vacuum cruise control never worked well even when it was working. You can purchase a nice electronic unit from JC Whitney for about $100.00 and it will do the job better than that old one will ever be able to. I messed around with ours and spent too much time and money on it before I learned that lesson.
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Old 03-20-2006, 06:08 PM   #5
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Quote:
Originally Posted by Chaplain Kent
Andre,
Don't even try, the old vacuum cruise control never worked well even when it was working. You can purchase a nice electronic unit from JC Whitney for about $100.00 and it will do the job better than that old one will ever be able to. I messed around with ours and spent too much time and money on it before I learned that lesson.
Oh, come on, you gotta let me try
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Old 03-20-2006, 06:28 PM   #6
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Quote:
Originally Posted by balrgn
Oh, come on, you gotta let me try
Andre, you can go to almost any salvage yard that has 1970's-era GM cars and trucks sitting around, and start replacing things until it starts working again.
BTW, the part that USUALLY goes bad, is the transducer. You should have a speedometer cable going into it, and another one going from it into the speedometer head.
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Old 03-20-2006, 06:30 PM   #7
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Quote:
Originally Posted by overlander63
Andre, you can go to almost any salvage yard that has 1970's-era GM cars and trucks sitting around, and start replacing things until it starts working again.
BTW, the part that USUALLY goes bad, is the transducer. You should have a speedometer cable going into it, and another one going from it into the speedometer head.
It looks at a glance that the fastener slipped off. I am only thinking of reconnecting it to see if it works, if not, Kent is right, new is better
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Old 03-22-2006, 06:48 AM   #8
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Cruise Control

Well, I at least have an understanding as to how the cruise control works. Pretty darn basic. The condition of the hoses and diaphragm are in poor at best. Several dry rot holes.

If I want cruise control, I'll have to go with one of those new fangled after markets...
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Old 03-22-2006, 08:21 AM   #9
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Words of advice.

You can reuse the turn stalk controls if you get an Audiovox cruise control. They have them at Autozone. There is a 4 wire molex connector that he control stalk connects to under the dash.

When you set the control module up set it for a manual transmission. That way if it overrevs the cruise will cut off. I did not do that and ended up having to buy a new engine
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