I'm posting this more for future reference than anything. I'm sure someone down the road may benefit from it. Makes me wonder if we should have another forum setup for just pinouts and technical stuff?

Reliant 1000M
1. N/C
2. N/C
3. Current Reference (to pin 4)
4. Current Reference (to pin 3)
5. Tube Voltage (to pin 6)
6. Tube Voltage (to pin 5)
7. Force Idle (How to interface unknown)
8. Force Idle (How to interface unknown)
9. Interlock Board Start Relay (starts countdown) (9_DC Common)
10. Interlock Board Start Relay (starts countdown) (10_+12VDC)
11. 110VAC to GND (220VAC to pin 12)
12. 110VAC to GND (220VAC to pin 11)
13. Earth GND
14. DC Common
15. +12VDC (only available if start relay engaged)