Well that happens to be the compressor that I DON'T already have a drawing for!
Regardless, to answer your original question, the wires from the "magic dial"
are: RED/BLACK for the rear solenoid, and BLACK/GREEN for the front solenoid.
If you want to get fancy, you can interlock the solenoids with the CDL so that they will only activate when the center diff is locked, just like the factory E-lockers. This also lets you eliminate the ARB compressor switch, so without the CDL locked, rotating the dial will still activate the compressor for airing-up or whatever.
This is all accomplished by making a few simple connections at the connector plug for the diff-lock ECU behind the right kick panel, then attaching the ARB stuff to the unused connector already at the right fender.
The ground wires for the solenoids have to be separated from the ARB harness also. Here's how I did it.
The diagram shows ARB's small compressor, but you get the idea.
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