Cadillac ATS I (2012-2014) (near battery well) Wiring diagrams

2501 2500 COMPUTER DATA LINES 40 39 HIGH SPEED GMLAN SERIAL DATA - HIGH SPEED GMLAN SERIAL DATA + AUXILIARY UNDERHOOD FUSE BLOCK (RIGHT FRONT ENGINE COMPT) BATT POSITIVE VOL BATT RVC FUSE BATTERY BATTERY CURRENT SENSOR (ON NEGATIVE BATTERY CABLE) BATTERY FUSE BLOCK (ON BATTERY) BLK WIRE BLK/VIO WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CURRENT SENSOR LOW REF CURRENT SENSOR SIG CURRENT SENSOR SUPPLY VOLTAGE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) FUSE 5 FUSE 6 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GROUND GRY WIRE GRY/VIO WIRE HIGH SPEED GMLAN SERIAL DATA (+) HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC REAR BODY FUSE BLOCK RED WIRE RED/YEL WIRE SERIAL DATA LOW SPD GMLAN STARTER MOTOR SYSTEM WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE

1 2 GND BATT POSITIVE VOL 19 18 3531 3532 NEUTRAL GEAR SENSOR RETURN NEUTRAL GEAR SENSOR SUPPLY 4 5 BATT POSITIVE VOL RUN/CRANK IGN 1 VOL AUTO STOP START INDICATOR CTRL AUTO STOP START SWITCH SIGNAL AUXILIARY UNDERHOOD FUSE BLOCK (RIGHT FRONT ENGINE COMPT) BATT POSITIVE VOL BATT RVC FUSE BATTERY BATTERY FUSE BLOCK (ON BATTERY) BATTERY FUSE FUSE HOLDER HOLDER BATTERY SENSOR MODULE (LEFT REAR OF LUGGAGE COMPT) BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN WIRE BRN/GRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DC DC TRANS FUSE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) FUSE FUSE 4 FUSE 5 FUSE 6 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/BRN WIRE GRN/RED WIRE GROUND GRY WIRE GRY/VIO WIRE HIGH SPEED GMLAN SERIAL DATA (+) HOOD AJAR SWITCH (AT HOOD LATCH) HOOD STATUS B SIGNAL HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INDICATOR DIMMING CONTROL INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI- FUNCTION SWITCH LIN INTERCONNECT NETWORK BUS 1 LOGIC LOW SPD GMLAN SERIAL DATA NCA WIRE NEUTRAL GEAR SENSOR SIGNAL (1) NEUTRAL POSITION SENSOR (LEFT REAR OF TRANSMISSION) POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (LEFT REAR CORNER OF LUGGAGE COMPT) REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/BRN WIRE RED/YEL WIRE STARTER MOTOR SYSTEM 7 23 25 27 HOOD STATUS A SIGNAL HOOD LATCH SENSOR LOW REF TRLR/ SUNSHD VIO WIRE VIO/BLK WIRE WHT WIRE WHT/GRN WIRE YEL WIRE

BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR MODULE DISABLE SIG DOOR DEAD LOCK RELAY GRN/BLU WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOT W/ BATTERY SAVER RELAY 2 ENERGIZED LED CTRL LIN BUS 1 LIN BUS 2 LOGIC LOGIC RIGHT REAR WINDOW SWITCH REAR COMPARTMENT FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY RR DR AJAR SW SIG THEFT DETERRENT SENSOR DISABLE SWITCH THEFT MDL/ UGDO/RAIN SNSR FUSE VIO/BLK WIRE VIO/YEL WIRE WHT/BLU WIRE WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) YEL WIRE YEL/BLU WIRE

2.0L 39 40 SERIAL DATA (+) SERIAL DATA (-) AMBIENT LIGHT/SUNLOAD SENSOR (UPPER CENTER OF THE INSTRUMENT PANEL) BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOOD LATCH SNSR LOW REF HOOD STATUS A SIGNAL HOT W/ BATTERY SAVER RELAY 2 ENERGIZED HVAC CONTROL MODULE (NEAR RIGHT KICK PANEL) LOGIC RIGHT REAR WINDOW SWITCH NCA WIRE REAR COMPARTMENT FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY RR DR AJAR SW SIG THEFT MDL/ UGDO/RAIN SNSR FUSE VIO/YEL WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLU WIRE WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) YEL WIRE

2.0L AMBIENT LIGHT/SUNLOAD SENSOR BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY ENGINE CONTROL MODULE GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOOD LATCH SNSR LOW REF HOOD STATUS A SIGNAL HOT W/ BATTERY SAVER RELAY 2 ENERGIZED HVAC CONTROL MODULE LOGIC NCA WIRE REAR COMPARTMENT FUSE BLOCK RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SERIAL DATA THEFT MDL/ UGDO/RAIN SNSR FUSE VIO/YEL WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLU WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DATA COM DK BLU WIRE GRN WIRE GRY WIRE GRY/RED WIRE HIGH BEAM ASSISTANT IND HIGH BEAM LAMP IND INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SER DATA M/T NCA WIRE PARK BRAKE CONTROL SWITCH PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEELHOUSE PANEL LINER) PNK WIRE REAR FOG LAMP RED WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP SIGNAL SPLY VOL SW SIG VOL REF WHT WIRE WHT/BLU WIRE WHT/DK GRN WIRE YEL WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM GRN WIRE HIGH BEAM ASSISTANT IND HIGH BEAM IND INSTRUMENT CLUSTER LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LOGIC LOW SPD GMLAN SER DATA REAR FOG LAMP RED WIRE RIGHT HEADLAMP ASSEMBLY WHT WIRE YEL WIRE YEL/GRY WIRE

BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR MODULE DISABLE SIG DOOR DEAD LOCK RELAY GRN/BLU WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOT W/ BATTERY SAVER RELAY 2 ENERGIZED LED CTRL LIN BUS 1 LIN BUS 2 LOGIC LOGIC RIGHT REAR WINDOW SWITCH REAR COMPARTMENT FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY RR DR AJAR SW SIG THEFT DETERRENT SENSOR DISABLE SWITCH THEFT MDL/ UGDO/RAIN SNSR FUSE VIO/BLK WIRE VIO/YEL WIRE WHT/BLU WIRE WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) YEL WIRE YEL/BLU WIRE

2.0L 39 40 SERIAL DATA (+) SERIAL DATA (-) AMBIENT LIGHT/SUNLOAD SENSOR (UPPER CENTER OF THE INSTRUMENT PANEL) BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOOD LATCH SNSR LOW REF HOOD STATUS A SIGNAL HOT W/ BATTERY SAVER RELAY 2 ENERGIZED HVAC CONTROL MODULE (NEAR RIGHT KICK PANEL) LOGIC RIGHT REAR WINDOW SWITCH NCA WIRE REAR COMPARTMENT FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY RR DR AJAR SW SIG THEFT MDL/ UGDO/RAIN SNSR FUSE VIO/YEL WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLU WIRE WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) YEL WIRE