Cadillac CTS I (2002-2007) ground Wiring diagrams

2540 41 BATTERY IGNITION 3 VOLTAGE HEATED SEAT MODULE STATUS SIGNAL 8 11 PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA 9530 9534 HEATED SEAT ELEMENT CONTROL HEATED SEAT SENSOR LOW REF 9530 9534 HEATED SEAT ELEMENT CONTROL SEAT TEMP SENSOR LOW REF BATTERY IGNITION 3 VOLTAGE HEATED SEAT MODULE STATUS SIG BLK WIRE BLK/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER HEATED SEAT DRIVER HEATED SEAT STATUS PASSENGER HEATED SEAT STATUS DRIVER HEATED SEAT SWITCH DRIVER SEAT BACK HEATED SEAT ELEMENT DRIVER SEAT FRONT CUSHION HEATED SEAT ELEMENT DRIVER SEAT REAR CUSHION HEATED SEAT ELEMENT DRIVER'S HEATED SEAT MODULE (UNDER DRIVER'S SEAT) FRONT PASSENGER HEATED SEAT FRONT PASSENGER SEAT BACK HEATED SEAT ELEMENT FRONT PASSENGER SEAT CUSHION FRONT HEATED SEAT ELEMENT FRONT PASSENGER SEAT CUSHION REAR HEATED SEAT ELEMENT GROUND HEATED SEAT ELEMENT VOLTAGE HEATED SEAT TEMP SENS SIGNAL HOT AT ALL TIMES HOT W/ IGN 3 RELAY ENERGIZED IGN 3 FUSE JOINT CONNECTOR LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LOGIC HVAC CONTROL MODULE (BEHIND CENTER OF DASH, BELOW RADIO) LT BLU/WHT WIRE LT FRT HTD SEAT MOD FUSE ORG/ WIRE PASSENGER HEATED SEAT SWITCH PASSENGER'S HEATED SEAT MODULE (UNDER PASSENGER'S SEAT) PNK HEATED SEAT HIGH/LOW SIGNAL WIRE PNK/BLK WIRE PPL PPL 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA R FRT HTD SEAT MOD FUSE RADIO REAR INTEGRATION MODULE (UNDER PACKAGE SHELF TRIM PANEL) RED WIRE RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) SEAT TEMP SENSOR SIGNAL THERMISTOR WHT WIRE YEL WIRE

3.2L/3.6L 5.7L BACKLIGHT LAMPS CTRL BATTERY BATTERY GROUND BACKLIGHT LAMPS CTRL GROUND BLK WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DIMMING FUSE FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER DOOR MODULE (ON RIGHT FRONT DOOR, UNDER DOOR TRIM PANEL) FRONT PASSENGER WINDOW SWITCH FUSE BLOCK (STEERING COLUMN) (TAPED TO STEERING COLUMN HARNESS) GROUND HAZARD SWITCH ILLUMI- NATION LAMP LEFT REAR DOOR MODULE (UNDER DOOR TRIM PANEL) LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROLS PPL PPL SERIAL DATA RED/WHT WIRE RIGHT REAR DOOR MODULE (ON RIGHT REAR DOOR, UNDER DOOR TRIM PANEL) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROLS SERIAL DATA WHEEL MODULE WHT WIRE YEL WIRE

BACKLIGHT LAMPS CONTROL GND BATTERY GROUND BATTERY GROUND RTN GROUND BATTERY GROUND BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER DR MOD FUSE DRIVER OUTSIDE REARVIEW MIRROR EXIT (EXT) FEED GROUND HORIZ MOTOR HORIZ POS SENSOR HOT AT ALL TIMES LEFT HORIZ LEFT LOGIC LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) MEMORY 1 SWITCH SIGNAL MEMORY 2 SWITCH SIGNAL MEMORY/PERSONALIZATION FUNCTION SWITCH NCA WIRE OUTSIDE REARVIEW MIRROR SWITCH DRIVER DOOR SWITCH ASSEMBLY (DDSA) PPL PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA RED WIRE RED/WHT WIRE RIGHT RIGHT HORIZ RTN SEL LEFT SEL RIGHT VERT DOWN VERT MOTOR VERT POS SENSOR VERT UP VERTICAL POSIT SENSOR HORIZ POSIT SENSOR LOW REFERENCE WHT WIRE YEL WIRE

BACKLIGHT LAMPS CONTROL BLK WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE DK BLU WIRE DK DK DK GRN WIRE DK NOT USED DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER LUMBAR ADJUSTER SWITCH DRIVER LUMBAR HORIZONTAL MOTOR ASSEMBLY DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT FRONT VERTICAL POSITION SENSOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT HORIZONTAL POSITION SENSOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT REAR VERTICAL POSITION SENSOR DRIVER SEAT RECLINE MOTOR DRIVER SEAT RECLINE POSITION SENSOR EXIT (EXT) FORWARD/ GRN WIRE GROUND GRY WIRE LT BLU WIRE LT GRN WIRE LT LT MEMORY 1 SWITCH SIGNAL MEMORY 2 SWITCH SIGNAL MEMORY/PERSONALIZATION FUNCTION SWITCH NCA WIRE ORG/ WIRE PNK WIRE PPL PPL 2 3 10 8 MEMORY 2 SW SIGNAL MEMORY 1 SW SIGNAL CLASS 2 SERIAL DATA GROUND PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA REARWARD TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

6 7 9 8 DOOR LOCK SW UNLOCK SIG DOOR LOCK SW LOCK SIG BATTERY GROUND BATTERY BATTERY GROUND BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DOOR AJAR SIGNAL GND DOOR KEY UNLOCK SWITCH SIGNAL DOOR AJAR SIGNAL DOOR OPEN SIGNAL DOOR OPEN SIGNAL GND DR MOD PWR CIRCUIT BREAKER DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER DR MOD FUSE FRONT PASSENGER DOOR LATCH ASSEMBLY FRONT PASSENGER DOOR MODULE (ON RIGHT FRONT DOOR, UNDER DOOR TRIM PANEL) GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM 694 295 JOINT CONNECTOR KEYLESS ENTRY ANTENNA SIGNAL LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LT BLU WIRE LT GRN WIRE MEMORY SEAT SWITCH ORG/BLK WIRE PPL CLASS 2 SERIAL DATA PPL COMPUTER DATA LINES SYSTEM 1177 746 244 PSGR DR MOD FUSE RADIO ANTENNA MODULE (ABOVE HEADLINER, NEAR REAR WINDOW) REAR COMPARTMENT LID RELEASE SWITCH REAR DR MOD FUSE REAR GLASS ANTENNA RED WIRE RED/WHT WIRE RFA GRID RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) TAN WIRE TAN/WHT WIRE TRUNK DR RELEASE FUSE WHT RED/ WIRE WHT WIRE YEL WIRE

1491 294 295 840 451 451 INTERIOR LIGHTS SYSTEM AJAR BACKLIGHT LAMPS CONTROL BATTERY GROUND BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DRIVER DOOR LOCK SWITCH FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER WINDOW SWITCH GROUND GRY WIRE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR DOOR MODULE (UNDER DOOR TRIM PANEL) LOCK LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/BLK WIRE PPL CLASS 2 SERIAL DATA DOOR AJAR SWITCH SIGNAL DOOR OPEN SWITCH SIGNAL RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR DOOR MODULE (ON RIGHT REAR DOOR, UNDER DOOR TRIM PANEL) TAN WIRE UNLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

10 9 8 PPL CLASS 2 SERIAL DATA BATTERY BATTERY GROUND BATTERY GROUND RTN GROUND BATTERY GROUND BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOWN DR MOD PWR CIRCUIT BREAKER DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER OUTSIDE REARVIEW MIRROR FRONT PASSENGER DOOR MODULE (ON RIGHT FRONT DOOR, UNDER DOOR TRIM PANEL) GROUND HORIZ MOTOR HOT AT ALL TIMES LEFT LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) DRIVER DR MOD FUSE LOGIC OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL CLASS 2 SERIAL DATA PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PSGR DR MOD FUSE REAR SEAT) RED WIRE RED/WHT WIRE RIGHT RIGHT REAR FUSE BLOCK (BELOW RIGHT SEL LEFT SEL RIGHT VERT MOTOR WHT WIRE

BATTERY BATTERY DOWN CONTROL UP CONTROL BATTERY GROUND BACKLIGHTS LAMPS CTRL GROUND BATTERY GROUND BACKLIGHTS LAMPS CTRL GROUND GROUND BLK WIRE BLK/WHT WIRE BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DOOR LOCKS SYSTEM DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRV WINDOW DOWN SIG DRV WINDOW EXPRESS SIG DRV WINDOW UP SIG FRONT PASSENGER DOWN SIG FRONT PASSENGER EXPRESS SIG FRONT PASSENGER UP SIG GROUND GRY/BLK WIRE LEFT REAR DOOR MODULE (UNDER DOOR TRIM PANEL) LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LOGIC LR WINDOW DOWN SIG LR WINDOW EXPRESS SIG LR WINDOW UP SIG LT GRN WIRE PPL PPL CLASS 2 SERIAL DATA UP SIGNAL EXPRESS SIGNAL DOWN SIGNAL RED/WHT WIRE RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH RR WINDOW DOWN SIG RR WINDOW EXPRESS SIG RR WINDOW UP SIG UP CONTROL DOWN CONTROL BATTERY WHT WIRE WINDOW LOCK OUT YEL WIRE

BLK WIRE BLU WIRE BRN WIRE DK BLU WIRE DK GRN WIRE GROUND GRY/BLK WIRE HALL EFFECT SENSOR 1 HALL EFFECT SENSOR 2 HOT AT ALL TIMES LIMIT SWITCH LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK PPL WIRE PPL SUNROOF SWITCH-DATA 6 SUNROOF SWITCH-DATA 2 RAP RELAY RAP RELAY COIL CTRL RAP RELAY SWITCH SUPPLY VOLTAGE CLOSE OPEN REAR INTEGRATION MODULE (UNDER PACKAGE SHELF TRIM PANEL) RIGHT REAR FUSE BLOCK SOLID STATE (CLOSE) SOLID STATE (OPEN) SUN ROOF MOD FUSE SUNROOF CONTROL SWITCH SUNROOF LIMIT SWITCH LOW REFERENCE SUNROOF MODULE SUNROOF MOTOR (AT LEFT FRONT CORNER OF SUNROOF MODULE) SUNROOF MOTOR CLOSE CONTROL SUNROOF MOTOR OPEN CONTROL TAN WIRE TAN/WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER DOOR SWITCH ASSEMBLY (DDSA) GROUND HOT AT ALL TIMES JOINT CONNECTOR LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LT BLU WIRE ORG/ WIRE ORG/BLK WIRE PPL 10 8 4 SERIAL DATA GROUND RELEASE SWITCH PPL SERIAL DATA REAR COMPARTMENT LID AJAR SWITCH SIGNAL REAR COMPARTMENT LID RELEASE ACTUATOR (CENTER OF REAR COMPARTMENT LID) REAR COMPARTMENT LID RELEASE ACTUATOR SUPPLY VOLTAGE REAR COMPARTMENT LID RELEASE SWITCH REAR INTEGRATION MODULE (UNDER PACKAGE SHELF TRIM PANEL) RED/WHT WIRE RELAY CTRL RIGHT REAR TRUNK DIODE FUSE BLOCK (BELOW RIGHT REAR SEAT) SWITCH SIGNAL TAN WIRE TRK DR REL SOL RELAY MICRO TRUNK DOOR RELEASE FUSE WHT WIRE