The labeling "COM" is the same as "GND" and all of our boards are labeled with either a "FREE EXIT" or "EXIT" input terminal.
1050 wiring: Neg-#10 GND. Pos.-#11V+. COM- #31 GND. NO- #30 Exit
636 wiring: NEG. -GND. POS.- 12v. COM- GND. NO- #10 Free Exit.
936 wiring: NEG- GND. POS- 12V. COM- GND. NO- Exit.
Mercury 310: NEG- COM. POS- 12V. COM-COM. NO-EXIT.
Note: NEG and COM can be twisted together in the same terminal. You can also have multiple accessories in the same EXIT terminal.
