Trailer tow circuit, with heavy duty trailer provisions for Cadillac SRX II facelift (2012-2016)

1 2 3 GND 13 14 15 16 17 18 RUN/CRANK IGN 1 VOLT STOP LAMP RLY COIL SPLY VOLT 2 3 4 5 6 7 8 9 10 11 12 RIGHT TRAILER TURN SIG LAMP 23 24 DATA BUS - DATA BUS + BATT POS VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH) BRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN/VIO WIRE EXTERIOR LAMPS CIRCUIT GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT TRAILER PARK LAMP TRAILER BRAKE LAMP LF TURN SIG LP SPLY VOLT LOW SPEED GMLAN SERIAL DATA LR STOP LAMP LP SPLY VOLT LR TURN SIG LP SPLY VOLT LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE ORG/ WIRE PNK/BLK WIRE POWER RELAY PPL/WHT WIRE RBEC 1 FUSE REAR BODY FUSE BLOCK (LEFT REAR QUARTER PANEL) RED/GRY WIRE RED/LT GRN WIRE RED/VIO WIRE RED/WHT WIRE RF TURN SIG LP SPLY VOLT RIGHT TRAILER PARK LAMP LEFT TRAILER TURN SIG LAMP RR STOP LAMP LP SPLY VOLT RR TURN SIG LP SPLY VOLT RUN RLY COIL CTRL SIG GND STOP LAMP RLY COIL SPLY VOLT TRAILER BACKUP LAMP TRAILER FOG LAMP TRAILER BRAKE LAMP TRAILER CONNECTED SIG TRAILER CONNECTOR TRAILER IGNITION TRAILER LIGHTING CONTROL MODULE (CARGO COMPT) TRLR 2 FUSE TRLR EXP FUSE TRLR TRLR MDL MDL FUSE FUSE UNDERHOOD FUSE BLOCK (LEFT FRONT ENGINE COMPT) VIO/BLK WIRE VIO/BRN WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE YEL/WHT WIRE