Cadillac ATS I (2012-2014) computer data lines system Wiring diagrams

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

1 2 RH LOW BEAM SPLY VOLT LH LOW BEAM SPLY VOLT 18 5 HDLP HI BEAM RLY CTRL 3 1 B+ GND 8 18 GND LOW REF AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR (UPPER CENTER OF THE INSTRUMENT PANEL) AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/GRY WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FLASH TO PASS FOG LAMP SW FUSE 6 BLOCK (ON BATTERY) GRN WIRE GRN/BRN WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI LT/RT FUSE HDLP SW FLASH TO PASS SIG HDLP SWITCH ON SIGNAL HDLP SW HDLPS OFF SIG CTRL HEADLAMP HIGH BEAM RELAY HIGH PARK AUTO HOT AT ALL TIMES HOT AT ALL TIMES REAR BODY BCM 3 FUSE BLOCK FUSE (LEFT SIDE OF LUGGAGE COMPT) HVAC CONTROL MODULE (NEAR RIGHT KICK PANEL) LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LOW SPD GMLAN SER DATA NCA WIRE OFF REAR FOG LAMP SW SIG RED WIRE RED/GRY WIRE RR FOG LAMP SPLY VOLT TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 POSITIVE VOLTAGE 7532 5060 COMPUTER DATA LINES SYSTEM AUXILIARY AUDIO INPUT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE COAX COMPUTER DATA LINES SYSTEM DRAIN WIRE FUSE GRN WIRE GRN/BLU WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES LOGIC LOW REF LOW REF TELEPHONE VOICE SIG MEDIA DISC PLAYER MOST CONTROL NCA WIRE NETWORK BUS 10 GMLAN SERIAL DATA POSITIVE VOLTAGE RADIO RADIO ANTENNA RADIO ANTENNA AMPLIFIER RADIO ANTENNA MODULE (UPPER RIGHT "C" PILLAR) RDO/ DVD REAR BODY FUSE BLOCK RED/VIO WIRE RFR SERIAL DATA SIGNAL GROUND VIO WIRE VOICE SIG W/O COMPACT DISC WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YE HD/XM YEL WIRE

BAT POS VOLT BATT POS VOLT BLK WIRE BLK/YEL WIRE BREAKOUT) BUS 12 COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY FUSE GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GROUND GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LEFT SIDE OF INSTRUMENT PANEL) JXXX LEFT DOWN RIGHT LEFT STEERING WHEEL CONTROLS SWITCH LOGIC NCA WIRE NETWORK NETWORK BUS 10 NETWORK BUS 9 RADIO/HVAC CONTROLS RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT STEERING WHEEL CONTROLS SWITCH SEEK UP SEEK UP DOWN SEL STEERING WHEEL AIR BAG COIL STR WHL CNTRL FUSE VOL (-) YEL WIRE YEL/BLK WIRE

8 7 6 5 4 3 2 1 GROUND SUB WOOFER SPKR - AMP FUSE AUDIO AMPLIFIER (RIGHT REAR OF LUGGAGE COMPT) BATT POS VOLT SUB WOOFER SPKR + BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BREAKOUT) BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LF SPK (+) RF SPK (+) LR SPK (+) RR SPK (+) LF SPK SIG (-) RF SPK SIG (-) LR SPK SIG (-) RR SPK SIG (-) LUGGAGE COMPT) MICROPHONE 3 RET MICROPHONE 2 RET MICROPHONE 1 RET MICROPHONE 3 SIG MICROPHONE 2 SIG MICROPHONE 1 SIG MOST CONTROL REAR BODY FUSE BLOCK RED WIRE RED/YEL WIRE REPLICATED SIG GMLAN SERIAL DATA RIGHT REAR DOOR SPEAKER SERIAL DATA - SERIAL DATA + SERIAL DATA + SERIAL DATA - SUBWOOFER SPEAKER VIO/BLU WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 POSITIVE VOLTAGE 7532 5060 COMPUTER DATA LINES SYSTEM AUXILIARY AUDIO INPUT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE COAX COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRN/BLU WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK LOGIC LOW REF TELEPHONE VOICE SIG MEDIA DISC PLAYER MOST CONTROL NCA WIRE NETWORK BUS 10 GMLAN SERIAL DATA POSITIVE VOLTAGE PU HD/XM RADIO RADIO ANTENNA RADIO ANTENNA AMPLIFIER RADIO ANTENNA MODULE (UPPER RIGHT "C" PILLAR) RDO/ DVD FUSE RDO/ HVAC REAR BODY FUSE BLOCK RED/VIO WIRE RFR SERIAL DATA SIGNAL GROUND VIO WIRE W/ START/ STOP SYSTEM W/O COMPACT DISC W/O START STOP SYSTEM WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

AUDIO SIG + BATT POS VOLT BLK WIRE BLK/BRN (OR BLK/GRY) WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU (OR GRY/YEL) WIRE BLU WIRE CAMERA SIGNAL - COAX COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DRAIN WIRE GMLAN SERIAL DATA GPS GPS/CELL GRN/WHT WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN INTERFACE CONTROL MODULE (BEHIND GLOVE BOX) LOW REF MICROPHONE/AUDIO MOST CONTROL MOST SERIAL DATA (+) NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE NETWORK BUS 5 RED WIRE RED/VIO WIRE SER DATA SIGNAL GROUND USB RECEPTACLE (BEHIND RADIO/HVAC CONTROL ASSEMBLY) USB SRL DATA LOW REF VOICE SIG W/ NAVIGATION VEHICLE SYSTEM W/ ONSTAR W/O NAVIGATION VEHICLE SYSTEM W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

BAT POS VOLT BATT POS VOLT BLK WIRE BLK/YEL WIRE BUS 12 COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY FUSE FUSE GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LEFT SIDE OF INSTRUMENT PANEL) JXXX LEFT UP LOGIC NCA WIRE NETWORK NETWORK BUS 10 NETWORK BUS 5 NETWORK BUS 9 RADIO/HVAC CONTROLS RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH SEEK DOWN DOWN SEEK UP SEL STEERING WHEEL AIR BAG COIL STR WHL CNTRL VOL (-)

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 MIDRANGE SPEAKER (-) 6091 5060 ENGINE CONTROLS SYSTEM COMPUTER DATA LINES SYSTEM AMP FUSE AUDIO AMPLIFIER (RIGHT REAR OF LUGGAGE COMPT) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BREAKOUT) BREAKOUT) (BODY HARNESS, BRN/BLU WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR SPEAKER (W/ PREMIUM SURROUND AMPLIFIER) LEFT FRONT TWEETER SPEAKER LEFT FRONT TWEETER SPEAKER (W/ PREMIUM SURROUND AMPLIFIER) LEFT REAR DOOR SPEAKER LUGGAGE COMPT) MICROPHONE RET MICROPHONE RET MICROPHONE RET MICROPHONE SIG MICROPHONE SIG MICROPHONE SIG MIDRANGE SPEAKER (+) MOST CONTROL REAR BODY FUSE BLOCK RED/YEL WIRE REPLICATED SIGNAL GMLAN SERIAL DATA RR SPEAKER + SPEAKER + SERIAL DATA - SERIAL DATA + SERIAL DATA + SERIAL DATA - SUBWOOFER SPEAKER VIO/BLU WIRE W/ PREMIUM SURROUND AMPLIFIER WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE