So I'm assuming for power, the connections for the 50 pin connector are:
18 - CL30 Permanent Live
35 - CL30 Permanent Live
2 - CL15 Ignition Live
1 - Ground
34 - Ground
I've just picked up an INIT EVENDpc1 and I can't find any wiring diagrams or pinouts for the bottom two connectors (50 pin and 22 pin - which seems to be the radio connections).
Mine seems to be missing the mounting plate, but I'm not sure whether that provides any form of electrical ...