Cadillac CTS I (2002-2007) (behind left kick panel) Wiring diagrams

1807 1807 1807 PPL PPL PPL 1807 1807 PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA 28 1080 HORN RELAY CTRL PARK LAMP RELAY CTRL CONTROL PWR OUTPUT 5058 5059 ARMED SIGNAL ALARM ON SIGNAL BATTERY PPL 9 5 4 (IN PASSENGER COMPARTMENT, NEAR RIGHT REAR FUSE BLOCK) BATTERY GROUND BLK WIRE BLK/WHT WIRE BLU WIRE CLASS 2 SERIAL DATA ACCESSORY VOLTAGE DK BLU/WHT WIRE DK GRN WIRE DOOR OPEN DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) ECM/TCM FUSE GROUND HORNS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN RUN OR START IGNITION KEY INTRUSION SENSOR JOINT CONNECTOR LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR DOOR MODULE (UNDER DOOR TRIM PANEL) LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LT BLU WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK PPL IGN 1 VOLTAGE ALARM ON SIGNAL TRUNK AJAR SWITCH SIGNAL WIRE PNK WIRE PPL CLASS 2 SERIAL DATA DOOR OPEN SWITCH SIGNAL PPL PPL PPL PPL PPL 1 2 3 4 5 6 7 READER/ EXCITER REAR INTEGRATION MODULE (UNDER PACKAGE SHELF TRIM PANEL) RED WIRE RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR DOOR MODULE (ON RIGHT REAR DOOR, UNDER DOOR TRIM PANEL) RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) RIM FUSE TAN WIRE TAN/WHT WIRE THEFT DETERRENT CONTROL MODULE (AT TOP OF STEERING COLUMN) THEFT FUSE TRANSPONDER TRUNK DR REL SOL RELAY TRUNK DR RELEASE FUSE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/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

1807 1807 COMPUTER DATA LINES SYSTEM AUTO HEAD PARK BAS RLY BPP SIG BLK WIRE BRAKE PEDAL POSITION (BPP) SENSOR (NEAR TOP OF BRAKE PEDAL) BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) LEFT LICENSE LAMP RIGHT LICENSE LAMP DIMMING FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRL LOW CTRL HAZARD SW SIG SUPPLY VOLTAGE CTRL PARK LAMP RLY CTRL FLASHER FUSE GRN WIRE HAZARD SWITCH HOT AT ALL TIMES HOT IN RUN OR START IGN 1 RELAY LEFT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY LEFT FRONT TURN SIGNAL LAMP LICENSE LAMP ASSEMBLY LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE OFF ORG/ WIRE PARK LAMP RELAY PNK WIRE PNK/ DK WIRE RED WIRE RED/WHT WIRE RIGHT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY RIGHT FRONT TURN SIGNAL LAMP RIGHT TURN SIGNAL VOLTAGE RIGHT DRL/TURN SUPPLY VOL STRG CTLS FUSE SUPPLY VOLTAGE TO UNDERHOOD FUSE BLOCK (LT PARK FUSE, TURN SIGNAL/ MULTI-FUNCTION SWITCH TURN SIGNAL/HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE

BAS FUSE BAS RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLASS 2 (DIM) LIGHTS ON IND CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK DK EARLY PRODUCTION LATE PRODUCTION FROM UNDERHOOD FUSE BLOCK (DIMMING HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) JOINT CONNECTOR LEFT FRONT MARKER LAMP LEFT REAR MARKER LAMP LEFT TAIL/ STOP LAMP LEFT REAR TURN SIGNAL LAMP LEFT TAIL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN INDICATOR LEFT TURN SIG IND LAMP SUPPLY VOLTAGE LOGIC LT BLU WIRE LT BLU/WHT WIRE LT PARK FUSE (DIAGRAM 1 OF 2) MESSAGE CENTER TURN SIGNAL ON THEFT ATTEMPTED MESSAGE REQUEST NEAR RIGHT HEADLAMP) (ON RIGHT BODY RAIL, NEAR RIGHT HEADLAMP) ORG/ WIRE PPL PPL (IN FORWARD LAMP HARNESS, 40 CM FROM HORN ASSEMBLY) PPL EARLY PRODUCTION PPL LATE PPL PRODUCTION W/ HID PPL LT RADIO RED WIRE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK LAMP RIGHT HEADLAMP (W/O AUTOMATIC HEADLAMPS CONTROL LEVELING SYSTEM) RIGHT REAR MARKER LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT TAIL LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/ STOP LAMP RIGHT TURN INDICATOR GROUND RIGHT TURN SIG IND LAMP SUPPLY VOLTAGE RT PARK FUSE TRAILERING (NOT USED) W/ HID W/O HID WHT WIRE

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

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

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

1491 294 295 840 451 451 INTERIOR LIGHTS SYSTEM AJAR BACKLIGHT LAMPS CONTROL BATTERY GROUND BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DRIVER DOOR LOCK SWITCH FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER WINDOW SWITCH GROUND GRY WIRE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR DOOR MODULE (UNDER DOOR TRIM PANEL) LOCK LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/BLK WIRE PPL CLASS 2 SERIAL DATA DOOR AJAR SWITCH SIGNAL DOOR OPEN SWITCH SIGNAL RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR DOOR MODULE (ON RIGHT REAR DOOR, UNDER DOOR TRIM PANEL) TAN WIRE UNLOCK WHT WIRE YEL WIRE YEL/BLK 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