Trailer tow circuit for Cadillac ATS I (2012-2014)

1 2 3 GND 1239 5065 13 14 15 16 17 18 IGN 1 VOLT STOP LP RLY COIL SPLY VOLT 25 24 GMLAN SERIAL DATA (+) GMLAN SERIAL DATA (-) 5185 5186 RIGHT TRAILER PARK LP LEFT TRAILER TURN SIG LP 5189 5190 TRAILER BACKUP LP TRAILER FOG LP BATT POS VOLT BATTERY FUSE BLOCK (ON BATTERY) BCM 4 FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN/GRY WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FUSE 1 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT TRAILER PARK LAMP PNK/BLK WIRE REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RUN RLY COIL CTRL STOP LAMP RLY COIL SUPPLY VOLTAGE TRAILER BRAKE LP TRAILER CONNECTED SIG TRAILER IGNITION POWER RELAY TRAILER LIGHTING CONTROL MODULE (NEAR BATTERY) TRLR CONN FUSE TRLR FUSE TRLR MDL FUSE TRLR/ SUNSHD FUSE VIO/BRN WIRE VIO/WHT WIRE WHT WIRE YEL/GRY WIRE YEL/WHT WIRE