Cadillac CTS I (2002-2007) ppl ppl class 2 serial data class 2 serial data Wiring diagrams

1807 1807 PPL PPL 22 23 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA 1807 1807 PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA 20 21 2500 2501 H SPEED GMLAN DATA BUS + H SPEED GMLAN DATA BUS - 24 PPL 26 PPL 25 PPL 3 2 5 1 6 4 PPL PPL PPL PPL PPL PPL 33 32 2501 2500 H SPEED GMLAN DATA BUS - H SPEED GMLAN DATA BUS + 5.7L A/T EXCEPT 5.7L AUDIO AMPLIFIER (LEFT SIDE OF TRUNK) BASE BLK WIRE BLK/WHT WIRE CLASS 2 SERIAL DATA LEFT HEADLAMP CLASS 2 SERIAL DATA RIGHT HEADLAMP DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DIGITAL RADIO RECEIVER (LEFT SIDE OF REAR PACKAGE SHELF) DIM/ALDL FUSE DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER'S MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (AT RIGHT FRONT CORNER OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (FRONT OF RIGHT VALVE COVER) EXCEPT 5.7L EXCEPT 5.7L PPL FRONT PASSENGER DOOR MODULE (ON RIGHT FRONT DOOR, UNDER DOOR TRIM PANEL) HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND CENTER OF DASH, BELOW RADIO) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER CENTER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR DOOR MODULE (UNDER DOOR TRIM PANEL) LT GRN WIRE LUXURY POWERTRAIN CONTROL MODULE PPL PPL CLASS 2 SERIAL DATA PPL PPL 1807 1807 11 8 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL 1807 1807 25 9 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL 59 58 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL PPL PPL PPL PPL PPL PPL RADIO RADIO ANTENNA MODULE (ABOVE HEADLINER, NEAR REAR WINDOW) REAR INTEGRATION MODULE (RIM) (UNDER PACKAGE SHELF TRIM PANEL) RED WIRE RED/WHT WIRE RIGHT REAR DOOR MODULE (ON RIGHT REAR DOOR, UNDER DOOR TRIM PANEL) THEFT DETERRENT CONTROL MODULE (AT TOP OF STEERING COLUMN) TRANSMISSION CONTROL MODULE (TCM) (AT RIGHT FRONT OF ENGINE COMPT) TV ANTENNA MODULE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ AUTOMATIC HEADLAMPS CONTROL LEVELING SYSTEM WHT WIRE WHT/BLK WIRE

103 301 1538 1783 192 HEADLIGHTS SYSTEM WIPER/WASHER SYSTEM 1807 1807 COMPUTER DATA LINES SYSTEM 1970 1080 5052 1969 1483 5026 HEADLIGHTS SYSTEM 99 1717 EXTERIOR LIGHTS SYSTEM BACKLIGHT LAMPS CONTROL BATTERY BATTERY PARK LAMP RELAY CTRL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DIM/ ALDL FUSE DIMMING FUSE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES IGNITION SWITCH INST PANEL LP DIMMER SWITCH LOCK OFF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PARK LAMP RELAY PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA RED WIRE RED/WHT WIRE RUN WIRE SHIFT INTERLOCK SYSTEM TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VOLTAGE CHECK FUSE WARNING SYSTEM WHT WIRE WIPER/WASHER SYSTEM YEL WIRE

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

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

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 DOWN CONTROL UP CONTROL BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DOOR LOCKS SYSTEM DOWN SIG EXPRESS SIGNAL UP SIGNAL CLASS 2 SERIAL DATA PPL DR MOD PWR C/B CIRCUIT BREAKER DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER DR MOD FUSE DRIVER WINDOW MOTOR FRONT PASSENGER DOOR MODULE (ON RIGHT FRONT DOOR, UNDER DOOR TRIM PANEL) FRONT PASSENGER WINDOW MOTOR FRONT PASSENGER WINDOW SWITCH HIGH SPEED SERIAL DATA LOW REFERENCE LOW SPEED SERIAL DATA BATTERY HOT AT ALL TIMES JOINT CONNECTOR LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LT GRN WIRE ORG/ WIRE PPL PPL PNK WIRE PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PSGR DR MOD FUSE REAR DR MOD FUSE RED WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) WHT WIRE YEL WIRE

11 3 PNK LOW REF DRIVER SIG WIRE 22 23 PPL PPL SERIAL DATA SERIAL DATA 8 11 PPL PPL AUDIO AMPLIFIER (LEFT SIDE OF TRUNK) LUXURY BASE AUTO HEAD BATTERY BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CHECK TIRE PRESSURE, SERVICE MONITOR CLASS 2 (DIM) CLASS 2 (SDM) CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA DOOR AJAR SW SIGNAL LF DOOR SW SIG COMPUTER DATA LINES SYSTEM DIM/ALDL FUSE DOOR AJAR SIGNAL DOOR OPEN SIGNAL DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER SEAT BELT SWITCH FASTEN SAFETY BELT INDICATOR GROUND GROUND BATTERY GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGNITION KEY ALARM SWITCH (ON STEERING COLUMN) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER CENTER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) KEY IN IGN SW SIG PARK LAMP ON SW SIG HEADLAMPS ON SIG KEYLESS ENTRY/ TIRE PRESSURE ANTENNA SIGNAL LIGHTS ON INDICATOR LOGIC LOW TIRE PRESSURE INDICATOR LOGIC LT GRN WIRE MESSAGE CENTER NCA WIRE PARK OFF PARK OFF AUTO HEAD PNK WIRE PPL PPL CLASS 2 SERIAL DATA PPL PPL 1807 1807 745 126 PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA RADIO RADIO ANTENNA MODULE (ABOVE HEADLINER, NEAR REAR WINDOW) RED/WHT WIRE RFA REAR WINDOW ANTENNA SERIAL DATA SERIAL DATA (-) SERIAL DATA (+) SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TAN/WHT WIRE TURN SIGNAL/MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VOLT CHECK FUSE WHT WIRE