Cadillac CTS I (2002-2007) (in passenger compartment, near left side of driver's seat) 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

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

1 2 8 VOICE SIGNAL LOW REF DRAIN WIRE 2 4 PNK MIC OUT MIC OUT RTN WIRE AUDIO AMPLIFIER (LEFT SIDE OF TRUNK) BACK BARE BARE (BLUNT CUT) BARE DRAIN WIRE BARE PPL BLK WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK LT ENT FRONT SPEAKER (CENTER) GRN WIRE GROUND SUBWOOFER SPKR OUT (+) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BELOW INFLATABLE LEFT "A" PILLAR SPEAKER (TWEETER) LEFT FRONT DOOR SPEAKER (TWEETER) LEFT STEERING WHEEL CONTROLS LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT PPL MODEM GROUND (NOT USED) DRAIN WIRE MODEM RECEIVER (NOT USED) MODEM TRANSMIT (NOT USED) ORG/ WIRE PNK WIRE PNK/BLK WIRE PPL PPL INTERIOR LIGHTS SYSTEM PPL PPL RED/BLK WIRE RESTRAINT STEERING WHEEL MODULE) RIGHT REAR DOOR SPEAKER RIGHT STEERING WHEELS CONTROL STEERING WHEEL CONTROL ASSEMBLY (2.8L/3.6L) SUBWOOFER SPKR OUT (-) BATTERY TAN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

7 8 9 10 11 12 13 PPL BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE GRN WIRE GRY WIRE IGN INFLATABLE RESTRAINT FRONT END DISCRIMINATING SENSOR INFLATABLE RESTRAINT I/P MODULE (ABOVE GLOVE BOX) INSTRUMENT PANEL CLUSTER LOGIC LOGIC CLASS 2 LT GRN WIRE MESSAGE CENTER NCA WIRE ORG/ WIRE PASSENGER INFLATABLE RESTRAINT ROOF RAIL MODULE (ABOVE RIGHT "B" PILLAR) PASSENGER SEAT BELT PRETENSIONER (RIGHT SIDE OF DRIVER'S SEAT) PPL RADIO SERIAL DATA SERVICE AIR BAG SHORTING BAR SIR INDICATOR SPLICE PACK STAGE 1 STAGE 2 TAN WIRE TAN/ORG WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE