Dash switches

With the way things are spoken, written, and read, nowadays. The makers probably thought the switch production order said to print “air” instead of “spare”.
Then of coarse no one in quality control cares to correct it when they see it anymore.

 

Probably spares for a lift axle or pto control. Look on the back of the switch, they probably have a wire pigtail to nowhere on the back of them.

 

See if they’re hooked up behind the dash or only the power wire that lights the switch up. If they’re hooked up then go on a hunt to see where the solenoids are located.

But the easiest thing would be to look it up by VIN and see what they are.

 

How could the dealership not know???

 

They are Spare electric air switches for example if u wanted to add a Air over ride on air bags u would just buy a Electric air shut off / open and wire it to that switch. Some trucks are even called Aux