Yes. The 30-0333 gauges have the full serial and 0-5v functionality. Even though the cable/connector pins are not installed. You can order the pins from digikey.
The pinouts are in the 30-0333 instructions.
Fantastic, I was curious as to where to get the extra pins!
~Erik~
2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.