Pontiac GTO IV (2004-2006) auxiliary gauges Wiring diagrams

17 19 10 SERIAL DATA SERIAL DATA 6 1 30 UART SERIAL DATA 6 7 37 38 LAN SIG LAN SIG LAN SIG LAN SIG ABS FUSE ABS, TCS CONTROL MODULE FUSE ABS, TCS FUSE AUXILIARY GAUGES BATT +VE VOLT BRK/PARK BRAKE WARNING IND BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) (BELOW RIGHT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (IN MASTER CYLINDER RESERVOIR) BRN WIRE BRN/BLK WIRE BRN/ORG WIRE COMPUTER DATA LINES DATA LINK CONNECTOR (DLC) (UNDER DASH, BELOW STEERING COLUMN) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (RIGHT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) GRN WIRE GRN/WHT WIRE GROUND LF WHL SPD SIG HIGH GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL FUSE BLOCK (BELOW LEFT END OF DASH) INSTRUMENTS FUSE LAN SIG LEFT FRONT WHEEL SPEED SENSOR (ON LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR ORG/BLU WIRE ORG/YEL WIRE PARKING BRAKE SWITCH (IN CENTER CONSOLE) POWERTRAIN INTERFACE MODULE (PIM) PPL RADIO RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR (RIGHT SIDE OF REAR DIFFERENTIAL) STOP LAMP SWITCH (ON TOP OF BRAKE PEDAL SUPPORT) STOP LAMPS FUSE SYSTEM TAN WIRE TAN/BLK WIRE TRACTION CONTROL SWITCH TRANSMISSION CONTROL MODULE (TCM) UART SERIAL DATA UNDERHOOD FUSE BLOCK (ON RIGHT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

2 1 SERIAL DATA BUS - SERIAL DATA BUS + 9 5 6 SECONDARY UART DATA PRIMARY UART DATA TERTIARY UART DATA AUXILIARY GAUGES BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (BCM) (BELOW RIGHT SIDE OF DASH) BRN WIRE BRN/BLK WIRE CRUISE CONTROL SWITCH CRUISE ON SIG CRUISE RES/ACCEL SIG CRUISE SET/COAST SIG DATA LINK CONNECTOR (UNDER DASH, BELOW STEERING COLUMN) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (RIGHT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BELOW CENTER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) LOCK OFF ORG/ WIRE ORG/BLK WIRE POWERTRAIN INTERFACE MODULE (PIM) (BEHIND LEFT REAR QUARTER WINDOW) RADIO RED/BLK WIRE RED/WHT WIRE RUN WIRE SPLICE PACK SWITCH SIG TAN WIRE TAN/BLK WIRE TRACTION CONTROL SWITCH TRANSMISSION CONTROL MODULE (TCM) UART SERIAL DATA UNDERHOOD FUSE BLOCK (ON RIGHT SIDE OF ENGINE COMPT) BCM/ENGINE CONTROL FUSE WHT/GRN WIRE

11 20 GROUND GROUND 2 3 10 TWILIGHT SENS ENABLE I/P LAMP DIMMER HEADLAMPS (AUTO OFF) 6 10 HEADLAMPS (AUTO ON) BATTERY VOLTAGE AUTO AUTOMATIC TRANSMISSION POSITION INDICATOR AUXILIARY GAUGES BCM/ ENGINE BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLOWER MOTOR SWITCH BLU WIRE BODY CONTROL MODULE (BCM) (BELOW RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CONTROLS FUSE DIMMING CONTROL FROM A/T POSITION INDICATOR) FROM A/T SELECTOR) FRONT CIGAR LIGHTER FUEL DOOR RELEASE SWITCH GRN WIRE GROUND GRY WIRE HAZARD SWITCH HEAD LIGHT SWITCH HEAD PARK HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN OR ACC HOT W/ PARK LAMPS ON ILLUM BRIGHTER ILLUM DARKER INSTRUMENT ILLUMINATION FUSE INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL FUSE BLOCK (BELOW LEFT END OF DASH) TURN SIGNALS FUSE OFF ORG/ WIRE ORG/BLK WIRE RADIO REAR CIGAR LIGHTER RED WIRE SPLICE PACK STEERING WHEEL CONTROL SWITCH ASSEMBLY TRACTION CONTROL SWITCH TRIP ODOMETER RESET SWITCH WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE