Cadillac CTS I (2002-2007) ppl ppl 1807 1807 class 2 serial data class 2 serial data Wiring diagrams

A/T ABS IND. B+ LOGIC LOGIC BAS FUSE BASE RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE FLUID PRESSURE SENSOR (5.7L) (ON REAR OF BRAKE PRESSURE MODULATOR VALVE) BRAKE IND BRANCHES FROM THE LT MAIN HARNESS) BRANCHES FROM THE MAIN HARNESS) (W/ ACTIVE BRAKE CONTROL) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ELECTRONIC PRNDL (EXCEPT 5.7L) GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) JOINT CONNECTOR LATERAL ACCELEROMETER SIG YAW RATE SENS SIGNAL LOW REFERENCE LEFT FRONT WHEEL SPEED SENSOR (WSS) LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LOGIC LOGIC B+ LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT ORG/ WIRE PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PPL PPL PPL 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL 9 25 11 27 3 REAR INTEGRATION MODULE (UNDER PACKAGE SHELF TRIM PANEL) RED/WHT WIRE SPEED SENSOR (WSS) SPORT MODE STEERING WHEEL POSITION SENSOR (NEAR MIDDLE OF STEERING COLUMN) TAN WIRE TRACTION CONTROL OFF IND TRACTION CONTROL SWITCH W/ ACTIVE BRAKE CONTROL WHT WIRE WINTER MODE YEL WIRE

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

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