WTB Gauge Cluster W/Air Pressure Gauge.

[legopnuematic]

I am looking for a gauge cluster with an air pressure gauge used in the larger 60 and 70 series trucks with air brakes. Does not need the speedo or fuel gauge but ideally with oil, volts, and temp (not necessary) and circuit board (also not necessary). I would even be interested in just the air pressure gauge on its own too. I plan to setup on board air driven off of the accessory drive in my 79 and want it to look like GM did it.
(picture of my cluster for reference of style. Volt gauge, 100mph speedo)

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Only picture I could find of an air gauge, although this one is from the 80's, but I think it gets the idea out.

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[SquareRoot]

73-87 website has one under classifieds

 

[MrMarty51]

The factory air pressure gauge will have two needles, one for service brakes and one for emergency brakes.
Watch out for the emergency side needle, if it gets too low it could quickly apply Your parking brake.

 

[varmit86]

I have a whole cluster if your still looking, where the large fuel gauge would go I have a large tachometer with a small fuel gauge inside the tachometer and the bottom left small hole is where the dual needle air gauge is installed. let me know if you are still looking and interested.