Vintage Air or Similar Setup

My car is an original factory A/C car and now runs the unit from Classic Auto Air. It works really well. It reuses all the stock components in the dash area.
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When I installed the Classic Air kit in my 68 Barracuda I added a simple toggle switch to the line sending power to the compressor clutch. With that I can have outside air coming into the cabin from the defrost or the dash vents without the AC compressor activated.
And I agree I like having the stock dash controls. The modifications to the OE levers was not a troublesome task.
All that is being done is the action is modified to control a couple of micro switches.