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can you stil buy a vacume switch for a dashboard. just like you with with elecricle thing but only for vacume operated things


the only thing I can think of is a wiper swich off an old scout but I was hoping ther was somthing aftermarket
 

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maybe someone can help me out on this,, but i remember there being a air selinod(sp?) on early yjs can like an arb selinod...maybe just as unreliable too...
 

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yes - I run what looks on the outside like a normal elec toggle switch - but it has an air shift body on the backside - I switch my CAD on my Jeep D30 frontend with it.

dunno who makes it - but THEIR part number is 41V

HTH

Sean
 

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Not sure where to get one at, other then the few that are in a draw in my garage. But Ford escort deisels used a vac relay. They turn vac on when you put power to it. One place that may be able to get such things would be that one locker company down under. They make vac lockers. Not sure if they are even around anymore.
 

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Lots of rigs besides Scouts used vacuum wipers. You should be able to find a switch like that from JC Whitney. At least you could the last time I looked.
 

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A qtrac switch would work, as would any of the Selectrac switches from the 80's FSJ's (same mechanicals as the QT switch, but with a lever rather than a knob).

My '70 Cutlass used a Transmission Controlled Spark device, which cut vacuum to the distributor except when the tranny was in high gear. It used a solenoid that went in-line to the distributor, and cut vacuum when it was powered (or not powered; I forget which way it went).

In any case, there are plenty of emissions vacuum control valves that you can adapt to that use.
 

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that switch from the rovers link is smaller - thats only single circuit - I need the "double pole" effect of mine to pull the CAD each direction.

the 41V also has adjustable bleed ports to regulate the bleddoff of air from the closed side.

Sean
 
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