Cadillac STS I (2004-2007) (under dashboard, near firewall grommet) Wiring diagrams

1 2 3 4 5 6 IGNITION 1 VOLTAGE BLK WIRE COMPUTER DATA LINES SYSTEM DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) ELECTRONIC BRAKE CONTROL MODULE(EBCM) (RIGHT FRONT CORNER OF ENGINE COMPART) ELECTRONIC SUSPENSION CONTROL (ECU) (BELOW RIGHT "C" PILLAR) GMLAN SERIAL WAKE UP GMLAN SERIAL WAKE UP GMLAN SERIAL DATA BUS + GMLAN SERIAL DATA BUS - GROUND HOT IN ON OR START INSTRUMENT PANEL MODULE (IPM) RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TO HEADLIGHT SYSTEM TO POWER DISTRIBUTION SYSTEM UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPARTMENT) CCP FUSE W/HEADLIGHT LEVELING WHT WIRE YEL WIRE

1 5 12 SUPPLY VOLTAGE STOP LAMP SW SIGN HAZARD SW SIGN 2 4 5 8 6 BATTERY GROUND LR STOP/TURN SUPPLY VOL GROUND RR STOP/TURN SUPPLY VOL 3 13 LR TURN SIGN SUPPLY VOL RR TURN SIGN SUPPLY VOL 4 1 2 SUPPLY VOLTAGE SIGNAL GROUND AUTO HEAD PARK BACK LIGHT LAMP BLK WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE HAZARD SWITCH HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) IPM/ ALDL FUSE VOLT CHECK FUSE LEFT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY LEFT FRONT TURN SIGNAL LAMP LEFT LICENSE LAMP RIGHT LICENSE LAMP LEFT REPEATER LAMP LEFT TURN SIGNAL FUSE RIM FUSE LEFT TURN SIGNAL IND LIC/IPM FUSE LOGIC LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT BLU/WHT WIRE LT DK LT LT OFF PARK LAMP RELAY PARK LAMP RLY CTRL REAR INTEGRATION MODULE (IN LEFT SIDE OF REAR COMPT, UNDER REAR SHELF) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY RIGHT FRONT TURN SIGNAL LAMP RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RIGHT REPEATER LAMP RIGHT TURN SIGNAL IND SPLICE PACK TILT/ LK LMP/ CLM RELAY COILS FUSE TO UNDERHOOD FUSE BLOCK (LT PARK FUSE, TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

AIRBAG FUSE BLK WIRE BLK/WHT WIRE BRN WIRE CASE GROUND CLASS 2 (SDM) B+ DK GRN WIRE GMLAN SERIAL DATA HOT AT ALL TIMES HOT IN RUN, START IGN 3 FUSE INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT SEAT BELT RETRACTOR LEFT FRONT SEAT BELT SWITCH LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC PNK WIRE PPL RED/WHT WIRE RIGHT FRONT SEAT BELT RETRACTOR RIGHT FRONT SEAT BELT SWITCH RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SEAT BELT IND SPLICE TAN/WHT WIRE

2 1 10 PNK PNK PNK WIRE AIR BAG IND BLK WIRE BLK/WHT WIRE BRN WIRE CLASS 2 (SDM) DK GRN WIRE DK GRN/WHT WIRE FRONT PASSENGER DOOR MODULE (FPDM) GMLAN SERIAL DATA GRY WIRE HOT IN RUN, START IGN 3 FUSE INFLATABLE RESTRAINT INSTRUMENT PANEL (I/P) MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT SEAT BELT RETRACTOR LEFT FRONT SEAT BELT SWITCH LEFT INFLATABLE RESTRAINT ROOF RAIL MODULE (ABOVE LEFT "B" PILLAR) LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC NCA WIRE PNK 1 2 3 4 WIRE PNK 5 6 7 8 9 10 11 12 13 14 15 16 WIRE PNK WIRE PPL PPL/WHT WIRE RIGHT FRONT SEAT BELT RETRACTOR RIGHT FRONT SEAT BELT SWITCH RIGHT INFLATABLE RESTRAINT ROOF RAIL MODULE (ABOVE RIGHT "B" PILLAR) RIGHT REAR DOOR MODULE (RRDM) SEAT BELT IND SHORTING CLIP SPLICE STAGE 1 STAGE 2 TAN WIRE TAN/WHT WIRE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE