How does the Honeywell modules wire into the Honeywell Vista system?
Any device you deal with here in the modules section, with the exception of the Vista-GSM4G, will wire into the system's keybus terminals. These are the terminals marked 4, 5, 6, and 7 on the main Vista circuit board. Wiring colors for these terminals are industry standard red, black, green, and yellow.
The wire colors will go to terminals as below: