Rover Compressor Circuit
This circuit will cause the compressor to fill the tank up to the pressure switch's setting whenever the key is in RUN, even if the engine is not running. If the tank fills, or the compressor overheats, it will shut off. If the compressor is overheated, but the tank isn't full, switching to OVERRIDE will force the compressor to finish filling the tank. If multiple compressors are needed, wire them in parallel at points 1, 2, & ground, AND delete the dash switch & override ground wire.

This is the compressor:


See also:

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https://www.fleet.ford.com/truckbbas/non-html/1997/c37_39_p.pdf

Owner caption January 2006 · Photo 1166 of 5000