Mini truck and 4Runner AC idle up solenoid from the mid-late 1980's into the early 1990's will work as the 4WD solenoid for the vacuum actuated FJ62 xfer case.

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Various models of Cadillac had air suspensions. There is a compressor (in the pass rear quarter I think) that could be used for ARBs and/or filling tires maybe.
I tried to get one out this last summer but ran out of time... wasn't easy to get to IIRC.