Cadillac SRX II facelift (2012-2016) vio Wiring diagrams

5-VOLT REF LO REF BRK PDL TRAVEL SENS 2 SIG ABS IND. BLK WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU LT WIRE BRAKE BOOSTER PUMP MOTOR RELAY BRAKE IND BRAKE PRESSURE MODULATOR (BETWEEN MASTER CYLINDER, LEFT STRUT TOWER) BRK FLUID LEVEL SENS SIG BRK PDL TRAVEL SENS 1 SIG BRK BOOSTER PUMP MTR SPLY VOLT SERIAL DATA COMM ENABLE BRN WIRE BRN/DK BLU WIRE BRN/LT GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 6257 2087 7333 7334 DK BLU WIRE DK BLU/RED WIRE DK BLU/YEL WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR ENGINE COMPT) ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS IGNITION RELAY ESC IND ESC OFF IND GRN DK WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT REAR WHEEL SPEED SENSOR (BEHIND LEFT REAR WHEEL, ON INSIDE OF HUB) LOGIC LT GRN WIRE LT GRN/BRN WIRE LT GRN/GRY WIRE NCA WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPEED SENSOR (BEHIND RIGHT FRONT WHEEL, ON INSIDE OF HUB) SERIAL DATA SPD SIG TAN WIRE TRACTION OFF IND VACUUM PUMP FUSE VIO WIRE VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/DK BLU WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 B+ LOW SPD GMLAN SERIAL DATA AIR QUALITY SENS SIG INSIDE AIR TEMP SENS SIG AIR QUALITY SENSOR (W/ AUTOMATIC AIR RECIRCULATION SENSOR INDICATOR) ANTI-THEFT SYSTEM AUTO SWITCH AUXILIARY BLOWER MOTOR CONTROL MODULE (CENTER CONSOLE) AUXILIARY HVAC CONTROL MODULE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLOWER MOTOR (RIGHT SIDE OF HVAC) BLOWER MOTOR CONTROL MODULE (LOWER LEFT SIDE OF BLOWER MOTOR) BLWR MTR SPD CTRL AUXILIARY BLWR MTR SPD CTRL BREAK OUT TO HVAC CONTROL MODULE) BRN BLK/ WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DK BLU WIRE DK BLU/GRY WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DUCT LOWER AUXILIARY AIR TEMPERATURE SENSOR DUCT UPPER AUXILIARY AIR TEMPERATURE SENSOR GROUND GROUND IGN 1 VOLT A/C COMPRESSOR CTRL A/C COMPRESSOR SUPPLY VOLT GRY WIRE HEADLIGHTS SYSTEM HIGH TEMPERATURE SWITCH HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT LOGIC LOGIC HVAC CONTROL MODULE (CENTER OF DASH, UNDER RADIO) LOW CTRL LOW REF REAR DEFOG RELAY CTRL LOW TEMPERATURE SWITCH LOWER AIR OUTLET SWITCH LOWER BLOWER SWITCH LT GRN WIRE LT GRN/BLK WIRE LT GRN/YEL WIRE NETWORK 9 ORG/ WIRE RED WIRE RED/VIO WIRE SENS AIR QUAL FUSE SIG GND SIGNAL SPEED CTRL SPLY VOLT TWILIGHT SENTINEL DELAY SIG UNDERHOOD FUSE BLOCK (LEFT FRONT ENGINE COMPT) UPPER AIR OUTLET SWITCH UPPER AIR TEMP SENS SIG LOWER AIR TEMP SENS SIG SOLAR SENS DRV SIG UPPER BLOWER SWITCH VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE W/ FRONT, REAR ELECTRONIC A/C W/ FRONT, REAR ELECTRONIC CONTROLS A/C W/O FRONT, REAR ELECTRONIC A/C WHT WIRE YEL/VIO WIRE

A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR SOLENOID VALVE AMBIENT AIR TEMPERATURE SENSOR (FRONT CENTER OF ENGINE COMPT) BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/YEL WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DK BLU/GRY WIRE DK BLU/YEL WIRE DRIVER INFORMATION CENTER DISPLAY INSTRUMENT CLUSTER ECT SENS SIG ENGINE CONTROL MODULE (LEFT FRONT ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY FAN RLY CTRL FRT VENT SEAT FUSE FUSE 36 GMLAN GROUND HOT AT ALL TIMES HOT AT ALL TIMES FRT BLWR FUSE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (CENTER CONSOLE) IPC FUSE HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC FUSE LO REF LOGIC LOW REF LT GRN WIRE LT GRN/VIO WIRE LT GRN/YEL WIRE POSITIVE PRESSURE REAR FUSE BLOCK (LEFT REAR QUARTER PANEL) RED/GRY WIRE RED/VIO WIRE SENS SIG SERIAL SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT FRONT ENGINE COMPT) VIO WIRE VIO/BLK WIRE VOLT WHT WIRE WHT/GRY WIRE

3268 156 RIGHT REAR DR LK STATUS COURTESY LAMP SW SIG 3269 5905 LR DOOR LOCK STATUS PARK SWITCH SIGNAL ACC GAP UP/DN SW SIG HDLP SW FLASH TO PASS SIG HORN SWITCH SIGNAL ACC LED SIG LIGHTING SW SIG ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM EXTERIOR LIGHTS SYSTEM BATTERY POSITIVE VOLT INTERIOR LAMP CNTRL BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 8 FUSE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH) BRAKE APPLY SNSR SIG LED BACKLIGHT DIMMING CTRL BRN WIRE BRN/BLK WIRE BRN/DK BLU WIRE BRN/LT GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS CRUISE CONTROL SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS CRUISE CONTROL SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM DK BLU WIRE DK BLU/BLK WIRE DK BLU/BRN WIRE DK BLU/LT GRN WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS INTERIOR LIGHTS SYSTEM DRIVER DR LK SW LOCK SIG EXTERIOR LIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HAZARD SW TURN RIGHT SIG WINDSHIELD WASHER SW SIG HEADLAMP OFF SIG CTRL HEADLAMP SW ON SIG HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) HI SPD GMLAN SERIAL DATA (+) TRANSMIT SIG HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK BCM 4 (CENTER FUSE CONSOLE) IGNITION MODE SWITCH ILLU IND IND IND INTERIOR LAMP DEFEAT SW SIG INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM SHIFT INTERLOCK SYSTEM LOGISTICS RELAY CONTROL LOW SPEED GMLAN DATA LT GRN WIRE LT GRN/BRN WIRE LT GRN/GRY WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BRN WIRE RED/DK BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SHIFT INTERLOCK SYSTEM SHIFT INTERLOCK SYSTEM EXTERIOR LIGHTS SYSTEM VIO WIRE VIO/BLK WIRE VIO/DK BLU WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/VIO WIRE WINDSHIELD WIPER SW HI SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BRN WIRE YEL/DK BLU WIRE YEL/LT GRN WIRE

ACCESSORY VOLTAGE AUDIO AMPLIFIER (IF EQUIPPED) AUXILIARY HVAC CONTROL MODULE BLK/YEL WIRE BRN WIRE CONTROL PHONE SWITCH CONTROL VOICE SWITCH DATA - MOST SERIAL DK BLU WIRE DK BLU/VIO WIRE DK BLU/YEL WIRE GRN WIRE GRY WIRE GRY/VIO WIRE HIGH SPEED GMLAN SERIAL DATA (-) (2) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INFO DISPLAY MODULE INSTRUMENT CLUSTER LOGIC INTERCONNECT NETWORK BUS 12 KEYLESS ENTRY CONTROL MODULE (RIGHT CARGO COMPT) LEFT STEERING WHEEL CONTROLS SWITCH LINEAR LINEAR INTERCONNECT NETWORK BUS 10 LINEAR INTERCONNECT NETWORK BUS 5 LINEAR INTERCONNECT NETWORK BUS 9 LOW SPEED GMLAN SERIAL DATA LOW SPEED SERIAL DATA LT BLU WIRE LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MOST CONTROL MOST SERIAL DATA (+) MULTI-AXIS ACCELERATION SENSOR (UNDER FRONT PASSENGER SEAT) NETWORK BUS 12 LINEAR INTERCONNECT RADIO RED/YEL WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SHIELD DRAIN WIRE 1 SHIELD DRAIN WIRE 2 STEERING WHEEL ANGLE SENSOR (UNDER LEFT SIDE OF DASH) VIO WIRE VIO/ WHT WIRE VIO/YEL WIRE W/ COLLISION AVOIDANCE SENSOR W/ FRONT, REAR AIR CONDITIONING ELECTRONIC CONTROLS W/O COLLISION AVOIDANCE SENSOR WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

ACC WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ASSEMBLY BLU/BLK WIRE COMMUNICATION SERIAL DATA CONTROL SOLENOID VALVE ASSEMBLY DATA - MOST SERIAL DK BLU WIRE DK BLU/VIO WIRE DK BLU/YEL WIRE ENABLE ENGINE CONTROL MODULE (LEFT FRONT ENGINE COMPT) FUEL PUMP DRIVER CONTROL MODULE GRY/VIO WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HIGH SPEED GMLAN SERIAL DATA + (4) HUMAN MACHINE INTERFACE CONTROL MODULE (BEHIND GLOVE BOX) LEFT FRONT SHORT RANGE RADAR SENSOR MODULE LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE MOST CONTROL MOST SERIAL DATA (+) NETWORK BUS 5 LINEAR INTERCONNECT PARKING BRAKE CONTROL MODULE RIGHT FRONT SHORT RANGE RADAR SENSOR MODULE SERIAL DATA (+) (1) HIGH SPEED GMLAN SERIAL DATA - (4) HIGH SPEED GMLAN SERIAL DATA COMMUNICATION ENABLE TRANSMISSION SHIFT LEVER VIO WIRE VIO/ DK BLU WIRE VIO/YEL WIRE W/ ONSTAR W/O ONSTAR WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/VIO WIRE

12 24 HAZARD SW LEFT TURN SIG HAZARD SW RIGHT TURN SIG 1335 1335 7542 5065 (BLUNT CUT TRAILER PROVISION) 2 3 7 LF TURN SIG LP SPLY VOLT BATT POS VOLT RR STOP LP SPLY VOLT 6 5 3 LT PARK LAMP SPLY VOLT RT PARK LAMP SPLY VOLT RF TURN SIG LP SPLY VOLT 7 11 LR STOP LAMP CTRL SIG CHMSL BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 5 FUSE BCM 6 FUSE BCM 7 FUSE BLOCK FUSE (LEFT FRONT ENGINE COMPT) BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (NEAR TOP OF BRAKE PEDAL) CENTER HIGH (LEFT REAR MOUNTED CORNER OF STOP LAMP LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM CONSOLE) CRUISE/ETC/TCC BRK SIG DATA BUS (+) DATA BUS - DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN/VIO WIRE ENGINE CONTROL MODULE (LEFT FRONT ENGINE COMPT) GRN WIRE GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HAZARD SWITCH HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (CENTER INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT LEFT REAR TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LICENSE LP SPLY VOLT LT GRN WIRE LT GRN/GRY WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE RED WIRE RED/BRN WIRE RED/DK BLU WIRE RED/GRY WIRE RED/LT GRN WIRE RED/WHT WIRE RIGHT RIGHT LICENSE PLATE LAMP RR TURN SIG LP SPLY VOLT STOP TAIL LAMP LAMP TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD VIO WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 LOCK SIG ANTENNA SIG HI ANTENNA SIG HI ANTENNA SIG LO ANTENNA SIG LO BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BRN/BLK WIRE BRN/LT GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA CO DRV HANDLE SW SIG DRV DR HANDLE SW SIG DK BLU WIRE DRIVER DRIVER EXTERIOR DOOR HANDLE DOOR HANDLE KEYLESS SWITCH ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRV DOOR OPEN SW SIG CO DRV DR OPEN SW SIG PASSIVE START SW SIG 2 LOW REF GMLAN SERIAL DATA GRN WIRE GRY/BLK WIRE GRY/LT GRN WIRE IGNITION MODE SWITCH KEYLESS ENTRY CONTROL MODULE (RIGHT CARGO COMPT) LT GRN WIRE LT GRN/BLK WIRE LT GRN/GRY WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE NCA WIRE PASSENGER DOOR HANDLE KEYLESS PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH ENTRY ANTENNA REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED/DK BLU WIRE RED/YEL WIRE SHIFT INTERLOCK SYSTEM COMPUTER DATA LINES SYSTEM VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

2700 5514 AIR CONDITIONING SYSTEM 5 VOLT REF 1 ACCELERATOR PEDAL POSITION SIG 1 5291 6386 STARTING/CHARGING SYSTEM 7493 7494 1579 2500 2501 COMPUTER DATA LINES SYSTEM A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESSURE SENS SIG ACC PEDAL POSITION LOW REF 1 ACCELERATOR PEDAL POSITION SIG 2 ACCESSORY WAKEUP SERIAL DATA AIR 459 1274 1162 CONDITIONING SYSTEM AIR CONDITIONING SYSTEM ASSEMBLY (RIGHT SIDE OF FUEL TANK) BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BRAKE PEDAL POSITION SENSOR (NEAR TOP OF BRAKE PEDAL) BRAKE PEDAL POSITION SNSR SIG BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE/ETC/TCC BRK SIG DK BLU WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE ECM RUN CRANK FUSE ENGINE CONTROL MODULE (LEFT FRONT ENGINE COMPT) EVAPORATIVE EMISSION VENT SOLENOID VALVE (CALIFORNIA) (EVAP CANISTER) FUEL LEVEL SENSOR FUEL LINE PRESSURE SNSR LOW REF FUEL TANK PRESSURE SENSOR SIG FUEL LINE PRESSURE SNSR SIG FUEL PUMP FUEL PUMP PRIMARY RLY CTRL FUEL PUMP/ SENDER GRY WIRE HI SPD COOLING FAN RELAY CONTROL HOT W/ IGNITION MAIN RELAY ENERGIZED LOW SPEED COOLING FAN RLY CTRL LT BLU WIRE LT GRN WIRE LT GRN/ BLK WIRE LT GRN/GRY WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE NCA WIRE POWERTRAIN MAIN RLY FUSED SPLY 2 START RLY COIL CTRL POWERTRAIN RLY COIL CTRL POWERTRAIN MAIN RLY FUSED SPLY (1) PPL RED WIRE RED/BRN WIRE RED/LT GRN WIRE RUN/CRANK IGN 1 VOLT BATT POS VOLT ACC PEDAL POSITION LOW REF 2 SECONDARY FUEL LEVEL SENSOR (UNDER VEHICLE, IN LEFT SIDE OF FUEL TANK) SNSR LOW REF TANK HARNESS) TIA PRESSURE SNSR SIG UNDERHOOD FUSE BLOCK (LEFT FRONT ENGINE COMPT) VIO WIRE VIO/ DK BLU WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/YEL WIRE WHT WIRE WHT/ DK BLU WIRE WHT/DK BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL RED/ WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BRN WIRE BRN/LT GRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION SENSOR (RIGHT REAR ENGINE BLOCK) DK BLU WIRE DK BLU/GRY WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (LEFT FRONT ENGINE COMPT) EX SNSR LOW REF 2 EXHAUST BANK 1 CAMSHAFT POSITION SENSOR (RIGHT CYLINDER HEAD) EXHAUST BANK 2 CAMSHAFT POSITION ACTUATOR SOLENOID VALVE (LEFT CYLINDER HEAD) EXHAUST BANK 2 CAMSHAFT POSITION SENSOR (LEFT CYLINDER HEAD) FUEL INJ 1 SPLY FUEL INJ 2 SPLY FUEL INJ 3 SPLY FUEL INJ 4 SPLY FUEL INJ 5 SPLY FUEL INJ 6 SPLY GRY WIRE GRY/DK BLU WIRE GRY/YEL WIRE IN SNSR LOW REF 2 INTAKE BANK 1 CAMSHAFT POSITION SENSOR (RIGHT CYLINDER HEAD) INTAKE BANK 2 CAMSHAFT POSITION SENSOR (LEFT CYLINDER HEAD) LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BRN WIRE LT GRN/DK BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE PPL PPL/WHT WIRE SNSR SPLY VOLT 2 VIO WIRE VIO/BLK WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE W RTN LOW REF WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE WHT/VIO WIRE X RTN LOW REF Y RTN LOW REF YEL WIRE YEL/VIO WIRE YEL/WHT WIRE Z RTN LOW REF