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

BLK WIRE BLK/WHT WIRE CLASS 2 SERIAL DATA DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DOOR OPEN ENGINE CONTROL MODULE (ECM) (3.6L (VIN 7): FRONT OF RIGHT VALVE COVER) FRONT PASSENGER DOOR LATCH ASSEMBLY FRONT PASSENGER DOOR MODULE (ON RIGHT FRONT DOOR, UNDER DOOR TRIM PANEL) GROUND HVAC CONTROL MODULE (BEHIND CENTER OF DASH, BELOW RADIO) IGN INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT GRN WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE PPL PPL 5.7L 2.8L/3.6L PPL CLASS 2 SERIAL DATA PPL CLASS 2 SERIAL DATA DOOR OPEN SW SIG PPL PPL PPL PPL 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL 58 59 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL 8 11 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL PPL 1 2 3 4 5 6 7 PPL PPL PPL 6 1 2 PPL PPL PPL PPL 25 24 23 26 RADIO REAR COMPARTMENT LID RELEASE ACTUATOR (CENTER OF REAR COMPARTMENT LID) RIGHT REAR FUSE BLOCK SECURITY INDICATOR TAN/WHT WIRE TRUNK AJAR SWITCH SIGNAL TRUNK RELEASE MOTOR SUPPLY VOLTAGE

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

A/T SHIFT LOCK CONTROL SOLENOID ASSEMBLY (IN CENTER CONSOLE) COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES IGNITION LOCK CYL CTRL IGNITION LOCK CYLINDER CONTROL ACTUATOR (ON STEERING COLUMN) IGNITION LOCK CYLINDER CONTROL SWITCH PPL PPL CLASS 2 SERIAL DATA PPL/WHT WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) RIM/IGN SW FUSE TAN WIRE

1807 1807 COMPUTER DATA LINES SYSTEM 9 8 LED DIMMING SIGNAL AUTO HEAD BATTERY GROUND GROUND BACKLIGHT LAMPS CTRL BATTERY INC DIM BACKLIGHTS LAMP CTRL BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIM/ ALDL FUSE DIMMING FUSE DK GRN WIRE DRIVER DOOR LOCK SWITCH DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER DR MOD FUSE ELECTRONIC PRNDL (A/T) GRN WIRE GROUND HOT AT ALL TIMES I/P DIMMER SWITCH ILLUMINATION LAMP INSTRUMENT PANEL CLUSTER (IPC) JOINT CONNECTOR LED DIMMING SIGNAL LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LT BLU/BLK WIRE MEMORY PERSONALIZATION FUNCTION SWITCH OVERHEAD CONSOLE PARK LAMP RELAY PARK LP RLY CTRL CONTROL POWER OUTPUT PARK OFF PPL CLASS 2 SERIAL DATA PPL PPL PPL PPL SERIAL DATA SERIAL DATA PPL/WHT WIRE PSGR DR MOD FUSE REAR COMPARTMENT LID RELEASE SWITCH REAR DR MOD FUSE RED WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT SUNROOF CONTROL SWITCH TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE

BATTERY GROUND BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DR MOD PWR CIRCUIT BREAKER FEED FRONT PASSENGER DOOR MODULE (ON RIGHT FRONT DOOR, UNDER DOOR TRIM PANEL) HORIZ MOTOR HORIZ POS SENSOR HOT AT ALL TIMES LEFT HORIZ RTN PASSENGER OUTSIDE REARVIEW MIRROR PPL CLASS 2 SERIAL DATA PSGR DR MOD FUSE RED WIRE RED/WHT WIRE RIGHT HORIZ RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) VERT DOWN VERT MOTOR VERT POS SENSOR VERT UP VERTICAL POSIT SENSOR HORIZONTAL POSIT SENSOR LOW REFERENCE WHT WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT ADJUSTER SWITCH FRONT VERTICAL DOWN FRONT VERTICAL MOTOR UP CONTROL LUMBER MOTOR FORWARD CONTROL FRONT VERTICAL UP GROUND BATTERY POSITIVE VOLTAGE GRY WIRE HORIZONTAL FORWARD HORIZONTAL REARWARD HOT AT ALL TIMES LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LT BLU WIRE LT GRN WIRE MEM/ADAPT SEAT FUSE MEMORY SEAT MODULE (MSM) (UNDER DRIVER'S SEAT) ORG/ WIRE PNK WIRE PPL PPL CLASS 2 SERIAL DATA REAR VERTICAL DOWN REAR VERTICAL UP RECLINE FORWARD RECLINE MOTOR FORWARD CONTROL RECLINE MOTOR REARWARD CONTROL RECLINE REARWARD RED WIRE SEAT CIRCUIT BREAKER TAN WIRE W/ HEATED SEATS W/ PASSENGER POWER SEATS 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

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

1 2 8 VOICE SIGNAL LOW REF DRAIN WIRE 18 19 20 21 22 PNK WIRE 2 4 PNK MIC OUT MIC OUT RTN WIRE AUDIO AMPLIFIER (LEFT SIDE OF TRUNK) BACK BARE BARE (BLUNT CUT) BARE MIC OUT SHIELD BLK WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENT GRN WIRE GROUND BATTERY INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BELOW INFLATABLE LEFT STEERING WHEEL CONTROLS LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT PPL MODEM GROUND (NOT USED) MODEM RECEIVER (NOT USED) MODEM TRANSMIT (NOT USED) (NOT USED) DRAIN WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE PPL PPL CLASS 2 SERIAL DATA RED/BLK WIRE RESTRAINT STEERING WHEEL MODULE) RIGHT STEERING WHEEL CONTROLS STEERING WHEEL CONTROL ASSEMBLY (2.8L/3.6L) TAN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE HOT AT ALL TIMES HOT IN RUN IGN 3 FUSE IGN-3 RELAY JOINT CONNECTOR LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) PPL CLASS 2 SERIAL DATA REAR INTEGRATION MODULE (UNDER PACKAGE SHELF TRIM PANEL) SHIFT LOCK SOLENOID CONTROL WHT WIRE