Cadillac SRX II (2009-2012) Trailer tow circuit, with heavy duty trailer provisions

1 2 3 GND 1239 5065 13 14 15 16 17 18 IGN 1 VOLT CHMSL 23 24 DATA BUS - DATA BUS + 5185 5186 TRAILER RIGHT HAND PARK SIG LEFT TURN SIG LAMP CTRL 5189 5190 TRAILER BACKUP LP SIG TRAILER REAR FOG LP SIG BATT POS VOLT BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH) BRN WIRE CHMSL COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRL CTRL EXTERIOR LAMPS CIRCUIT GRY WIRE HOT AT ALL TIMES LEFT TRAILER PARK LAMP LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE PARK/ NEUTRAL SIG PNK/BLK WIRE PPL/WHT WIRE REAR BODY FUSE BLOCK (LEFT REAR QUARTER PANEL) RED/BLK WIRE RED/WHT WIRE RR TURN SIG LP SPLY VOLT TAN WIRE TAN/BLK WIRE TRAILER CONNECTOR TRAILER CONNECTOR STATUS TRAILER IGNITION RELAY TRAILER LIGHTING CONTROL MODULE (CARGO COMPT) TRAILER STOP LP SIG TRLR 2 FUSE TRLR EXP FUSE TRLR MDL FUSE WHT WIRE YEL WIRE YEL/BLK WIRE