**MAKE SURE TO DISCONNECT AC POWER AND BATTERY FIRST BEFORE PROCEEDING**
For DSC alarm systems:
Black wire ---> "BLK" or "AUX -"
Red wire ---> "RED" or "+ AUX"
Green wire ---> "GRN"
Yellow wire ---> "YEL"
For Honeywell / Ademco / ADT / Safewatch / First Alert:
Black wire ---> 4
Red wire ---> 5
Green wire ---> 6
Yellow wire ---> 7