Cadillac CTS I (2002-2007) left steering wheel controls Wiring diagrams

5.7L BLK WIRE BLK/WHT WIRE DASH INTEGRATION MODULE (DIM) DATA LINK CONNECTOR (DLC) DRIVER DOOR MODULE (DDM) DRIVER HEATED SEAT MODULE DRIVER SEAT ADJUSTER SWITCH EXCEPT 5.7L FRONT PASSENGER HEATED SEAT MODULE HAZARD SWITCH IGNITION KEY ALARM SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR DOOR MODULE (LRDM) LEFT STEERING WHEEL CONTROLS LRDM) LT GRN WIRE MEMORY SEAT MODULE (MSM) MSM CONNECTOR) PASSENGER LUMBAR ADJUSTER SWITCH PASSENGER SEAT ADJUSTER SWITCH REAR FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SWITCH CONNECTOR THEFT DETERRENT CONTROL MODULE TRACTION CONTROL SWITCH TURN SIGNAL/ HAZARD FLASHER MODULE TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ 8-WAY ADJUSTER POWER PASSENGER SEAT W/ 8-WAY ADJUSTER POWER PASSENGER SEAT, FRONT HEATER SEAT W/ MEMORY SEAT W/ POWER LUMBAR CONTROL SEAT W/O MEMORY SEAT W/O POWER LUMBAR CONTROL SEAT WHT WIRE

22 5 48 42 VEHICLE SPEED SIG ENGINE SPEED SIG SERIAL DATA FUEL LEVEL SENS SIG 5.7L BLK WIRE BLU WIRE BRN WIRE CLEAR DIC SIG CLR COMPUTER DATA LINES SYSTEM DIC BACK SIG BACK DK BLU WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (3.6L, 2.8L) (FRONT OF RIGHT VALVE COVER) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL/ ENGINE OIL LEVEL/ TEMPERATURE SENSOR (3.6L, 2.8L) (IN OIL PAN) ENGINE OIL PRESSURE (EOP) SENSOR (3.6L, 2.8L) (IN OIL FILTER HOUSING) ENGINE OIL PRESSURE (EOP) SENSOR (5.7L) EXCEPT 5.7L FUEL LEVEL SENS SIG FUEL LEVEL SENSOR FUEL LEVEL SENSOR TEMPERATURE SENSOR (5.7L) FUEL PUMP, SENSOR ASSEMBLY (IN FUEL TANK) GROUND GRY WIRE INFORMATION DN SW SIG INFO INFORMATION UP SW SIG LEFT STEERING WHEEL CONTROLS LOW REFERENCE LT BLU WIRE MESSAGE CENTER LOGIC MESSAGE REQUEST ORG/ WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (5.7L) PPL PPL COMPUTER DATA LINES SYSTEM PPL PPL RADIO SCROLL DIC SIG SECONDARY FUEL SENDER ASSEMBLY (LEFT SIDE OF FUEL TANK) SERIAL DATA STEERING WHEEL CONTROL ASSEMBLY SWITCH 1 SWITCH 2 SWITCH 3 SWITCH 4 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TUNE/SEL VEHICLE SPEED SIGNAL WHT 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

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

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