GMC Envoy II (2001-2009) automatic transmission Wiring diagrams

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE 20 48 6 PRNDL A IN PCS SOL (LO) PCS SOL (HI) 3-2 SHIFT SOLENOID VALVE 33 35 SS A (1-2) SS B (2-3) ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL, ON BRACKET) APP 1 SIG APP 1 LO APP 2 SIG APP 2 LO PPL AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION FLUID TEMPERATURE SENSOR BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DOWN (3-2) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (UPPER LEFT SIDE OF ENGINE) ETC FUSE 23 GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC, RUN OR START HOT IN RUN OR START HOT W/ BRAKES APPLIED IGN 0 FUSE 47 INSTRUMENT PANEL CLUSTER (IPC) LO SW LOGIC SERVICE ENGINE SOON LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON LOWER LEFT SIDE OF TRANSMISSION) PCM B FUSE 10 PCM I FUSE 28 PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON UPPER LEFT SIDE OF ENGINE) PPL PPL TP 2 SIG TP 2 LO ECT SIG ECT REF PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RED/BLK WIRE REV SW SW SW TAN WIRE TAN/BLK WIRE TCC TCC PMW SOLENOID TCC PWM TCC SOLENOID THROTTLE BODY (FRONT OF INTAKE DUCT) TP 1 SIG TP 1 LO TRANSFER CASE CIRCUIT (W/ 2-SPD TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN E FUSE 22 UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEH STOP FUSE 34 VEHICLE SPEED SENSOR (LEFT REAR OF TRANSFER CASE) VSS HI VSS LO WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL VALVE 12 7 MIL IND CTRL CHMSL SPLY 2-3 SHIFT SOL VALVE 3-2 SOL VALVE A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH A/T FLUID TEMP SENSOR TCC PWM SOL VALVE AUTOMATIC TRANSMISSION BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (NEAR LOWER LEFT FRONT OF ENGINE) FRONT HI SIG GRY WIRE INPUT SPEED SENSOR (ISS) INSTRUMENT PANEL CLUSTER LOGIC IGN LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PNK 12 13 WIRE PNK WIRE PPL PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE REV TAN WIRE TAN/BLK WIRE TCC SOL VALVE WHT WIRE YEL WIRE YEL/BLK WIRE

4.2L 4.2L 5.3L, 6.0L ABS FUSE 33 ATC FUSE 8 AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION SHIFT LOCK ACTUATOR AUXILIARY CONSOLE MODE ACTUATOR AUXILIARY HVAC CONTROL MODULE BATTERY BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) 4.2L PNK PNK WIRE BRN WIRE CRANK FUSE 17 DEFROST ACTUATOR ELEC BRK FUSE 19 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (5.3L, 6.0L) POWERTRAIN CONTROL MODULE (PCM) (4.2L) FLAT- WIRE PNK (I/P HARN, 18 CM FROM THE A/T SHIFT LEVER CONNECTOR BREAKOUT) FRONT AXLE ACTUATOR FUSIBLE LINK (8 GA- GENERATOR HVAC CONTROL MODULE HVAC FUSE 44 FUSE 48 HVAC I FUSE 39 I/P BATTERY FUSE 48 IGN A FUSE 34 TRAILER FUSE 32 IGN B FUSE 36 IGN O FUSE 47 TBC IG FUSE 50 IGNITION SWITCH LEFT AIR TEMPERATURE ACTUATOR STEERING WHEEL SPEED/ POSITION SENSOR LOCK LOCK LOCK MODE ACTUATOR NCA WIRE ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RIGHT AIR TEMPERATURE ACTUATOR RECIRCULATION ACTUATOR RUN WIRE STARTER STARTER RELAY 47 TO BLOWER FUSE 35 (DIAGRAM 2 OF 6) TO BRAKE FUSE 51 (DIAGRAM 2 OF 6) TO REAR FUSE BLOCK (DIAGRAM 2 OF 6) TO REAR FUSE BLOCK LGM/DSM FUSE 19 (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 6) TRAILER BRAKE WIRING TRAILER CONNECTOR TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL SWITCH HVAC CONTROL MODULE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VSES FUSE 58 FUSE 61 W/ 2 SPEED PUSH BUTTON CONTROL W/ ALL WHEEL DRIVE W/ AUTO AIR LEVEL CONTROL W/ MANUAL TEMPERATURE CONTROLS W/ TWO SPEED PUSH BUTTON CONTROL WHT WIRE YEL WIRE

1-2 SHIFT SOLENOID (1-2 SS) VALVE 4.2L 4.2L 5.3L, 6.0L AIR SOL FUSE 54 AIR SOL RELAY 55 AUTOMATIC TRANSMISSION BACKUP FUSE 27 BODY CONTROL MODULE (BCM) EAP RELAY 49 ECM 1 FUSE 28 ECM FUSE 29 ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (PCM) PARK/ NEUTRAL POSITION (PNP) SWITCH F/PMP RELAY 41 FAN FUSE 20 FAN RELAY 45 FROM AIR SOL FUSE 54 FROM HAZRD FUSE 52 (DIAGRAM 2 OF 6) FROM IGNITION SWITCH (DIAGRAM 1 OF 6) FUEL INJECTOR 1 FUEL INJECTOR 2 POWERTRAIN CONTROL MODULE (PCM) FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 HDM FUSE 53 FUSE 57 HEADLAMP DRIVER MODULE (HDM) RELAY 46 HI HEADLAMP RELAY 43 IGN COILS FUSE 14 IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 4 INPUT SPEED SENSOR (ISS) TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE MODULATION (TCC PWM) SOLENOID ORG/ WIRE PCM B FUSE 10 PCM I FUSE 28 PNK PNK (IN FUEL INJECTOR HARNESS) WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) RED WIRE SECONDARY AIR INJECTION PUMP RELAY IGNITION COIL 6 TBC 1 FUSE 31 FUSE 58 TO AIRBAG FUSE 18 (DIAGRAM 3 OF 6) TO IGN E FUSE 22 (DIAGRAM 4 OF 6) TO POWERTRAIN RELAY 60 (DIAGRAM 6 OF 6) TORQUE CONVERTER CLUTCH PULSE WIDTH TRANS FUSE 53 UNDER- HOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VALVE YEL WIRE

1-2 SHIFT SOLENOID 10 11 12 13 14 15 16 PNK PNK PNK WIRE 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID AUTOMATIC AUTOMATIC TRANSMISSION BLK WIRE BRN WIRE CONTROL SOLENOID DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE LO SW LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK 1 2 WIRE PNK PNK PNK 3 4 5 6 7 WIRE PNK WIRE PPL PPL/WHT WIRE PRESSURE RED WIRE RED/BLK WIRE REV SW SENSOR SOLENOID TCC PMW SW SW TAN WIRE TAN/BLK WIRE TCC SOLENOID TEMPERATURE FLUID TRANSMISSION UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VALVE VEHICLE SPEED SENSOR (VSS) (LEFT REAR OF TRANSFER CASE) WHT WIRE YEL WIRE YEL/BLK WIRE