GMC Envoy II (2001-2009) serial data Wiring diagrams

BACK UP LAMP SUPPLY VOLTAGE BACK UP LAMP SUPPLY VOLTAGE ON/OFF BLK WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) COMPUTER DATA LINES SYSTEM GROUND HOT IN RUN OR START IGN 1 IGN E FUSE 22 INSIDE REARVIEW MIRROR LOGIC LT GRN WIRE NCA WIRE PHOTO SENSOR PNK WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) SERIAL DATA UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL)

ANTENNA BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR SPEAKER ASSEMBLY LEFT FRONT DOOR TWEETER SPEAKER LEFT REAR DOOR SPEAKER LF OUT LR OUT LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK WIRE RADIO RADIO CONTROL SIGNAL RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RF OUT RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR SPEAKER ASSEMBLY RIGHT FRONT DOOR TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RR OUT RR OUT + GROUND SEEK DOWN SEEK PROG SEEK UP SEEK VOICE SERIAL DATA SOURCE DOWN SOURCE UP STEERING WHEEL) SUPPLY VOLTAGE TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VOLUME DOWN VOLUME UP WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE

ANTENNA AUXILIARY HVAC CONTROL MODULE (UNDER LOWER BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CONSOLE) DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND GROUND RADIO ON SIG GRY WIRE HOT AT ALL TIMES HVAC-B FUSE 36 L AUD SIG + R AUD SIG + LF OUT LR LOW LEVEL AUDIO SIG + LR OUT LR SPEAKER OUT - LT BLU LT BLU WIRE LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM R AUD SIG + L AUD SIG + RADIO ON SIG REMOTE OUT - REMOTE L SIG RADIO RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REMOTE L SIG REMOTE OUT - RF OUT RR LOW LEVEL AUDIO SIG + RR OUT RR OUT + GROUND RR SPEAKER OUT + SERIAL DATA TAN WIRE VEHICLE COMMUNICATION INTERFACE MODULE (UNDER RIGHT REAR SEAT) VSS YEL WIRE

BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE DK BLU WIRE DK GRN WIRE GRY WIRE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR SPEAKER ASSEMBLY LEFT FRONT DOOR TWEETER SPEAKER LEFT REAR DOOR SPEAKER LT BLU WIRE LT GRN WIRE PNK WIRE RADIO CONTROL SIGNAL RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR SPEAKER ASSEMBLY RIGHT FRONT DOOR TWEETER SPEAKER RIGHT REAR DOOR SPEAKER SEEK DOWN SEEK PROG SEEK UP SEEK VOICE SERIAL DATA SOURCE DOWN SOURCE UP STEERING WHEEL) SUPPLY VOLTAGE TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VOLUME DOWN VOLUME UP WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE

BACK ONLY IND BACK ONLY INDICATOR BACK ONLY SELECT BATT + BATT + VOLTAGE BLK WIRE BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DDM FUSE 10 DRIVER BACK HEATED SEAT ELEMENT DRIVER CUSHION HEATED SEAT ELEMENT DRIVER DOOR MODULE (DDM) (BELOW DRIVER'S DOOR SWITCH PANEL) DRIVER MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) GND BAT (+) GRN WIRE GROUND HEAT MODE SELECT HEATED SEAT PWR HEATED SEAT PWR LOW REF HEATED SEAT THERM SIG HI HEAT IND HI HEAT INDICATOR HOT AT ALL TIMES LGM/DSM FUSE 6 LOW HEAT IND LOW HEAT INDICATOR LOW REF LT DOORS CB 2 LT GRN WIRE MED HEAT IND MED HEAT INDICATOR NCA WIRE ORG/ WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE SEATS CIRCUIT BREAKER 8 SERIAL DATA WHT WIRE YEL WIRE YEL/BLK WIRE

BACK ONLY IND BACK ONLY INDICATOR BACK ONLY SELECT BAT (+) GND BATT + BATT + VOLTAGE BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) FRONT PASSENGER BACK HEATED SEAT ELEMENT FRONT PASSENGER CUSHION HEATED SEAT ELEMENT FRONT PASSENGER DOOR MODULE (FPDM) (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GROUND GRY WIRE HEAT MODE SELECT HEATED SEAT PWR ELEMENT CTRL HEATED SEAT PWR TEMP SENS SIG HI HEAT IND HI HEAT INDICATOR HOT AT ALL TIMES LGM/DSM FUSE 19 LOW HEAT IND LOW HEAT INDICATOR LOW REF LT DK MED HEAT IND MED HEAT INDICATOR NCA WIRE ORG/ WIRE PDM FUSE 12 PNK WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RT DOORS C.B. 1 SEATS CIRCUIT BREAKER 8 SERIAL DATA TAN WIRE

6 8 2 UNLOCK CTRL LOCK CTRL SERIAL DATA BAT POS VOLT BAT POS VOLT GROUND BATT GROUND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE DDM FUSE 10 DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH FLAT WIRE FLAT WIRE FLAT WIRE UNLOCK RELAY LOCK RELAY FLAT WIRE LR DOOR AJAR FLAT WIRE RR DOOR AJAR FRONT PASSENGER DOOR MODULE (FPDM) (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT REAR DOOR LATCH ASSEMBLY LIFTGATE LATCH ASSEMBLY LIFTGATE MODULE (LGM) (IN CENTER OF LIFTGATE) LOCK LOCK CTRL LOCK CTRL UNLOCK CTRL LOCK RELAY 18 LOCKS FUSE 21 LOW REF DOOR AJAR LT BLU WIRE LT BLU/BLK WIRE LT DOORS CB 2 LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PDM FUSE 12 RT DOORS CB 1 POWER REAR FUSE BLOCK (BELOW LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REAR SEAT) RIGHT REAR DOOR LATCH ASSEMBLY SERIAL DATA TAN WIRE UNLOCK UNLOCK CTRL UNLOCK RELAY 24

1 2 3 4 5 6 PPL ANTENNA BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND RADIO ON SIG GRY/BLK WIRE HOT AT ALL TIMES L AUD SIG + R AUD SIG + LF OUT LR OUT LT GRN WIRE MUTE SIGNAL NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL REAR ENABLE R AUD SIG + L AUD SIG + RADIO ON SIG REMOTE OUT - REMOTE L SIG RADIO RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REMOTE L SIG REMOTE OUT - RF OUT RR OUT RR OUT + GROUND SERIAL DATA TAN WIRE VEHICLE COMMUNICATION INTERFACE MODULE (UNDER RIGHT REAR SEAT) VSS YEL WIRE

1 2 3 4 5 6 PPL ANTENNA AUXILIARY HVAC CONTROL MODULE (UNDER LOWER BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CONSOLE) DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND GROUND RADIO ON SIG GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC-B FUSE 36 L AUD SIG + R AUD SIG + LF OUT LR LOW LEVEL AUDIO SIG + LR OUT LR SPEAKER OUT - LT BLU LT BLU WIRE LT BLU WIRE LT GRN WIRE MUTE SIGNAL NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL REAR ENABLE R AUD SIG + L AUD SIG + RADIO ON SIG REMOTE OUT - REMOTE L SIG RADIO RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REMOTE L SIG REMOTE OUT - RF OUT RR LOW LEVEL AUDIO SIG + RR OUT RR OUT + GROUND RR SPEAKER OUT + SERIAL DATA TAN WIRE VEHICLE COMMUNICATION INTERFACE MODULE (UNDER RIGHT REAR SEAT) VSS YEL WIRE

1 2 3 4 5 6 PPL AMP FUSE 11 AUDIO AMPLIFIER (ON RIGHT SIDE OF CARGO AREA, BEHIND TRIM PANEL) BARE BARE DRAIN WIRE RR SPKR OUT - LR SPKR OUT - B+ BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT FRONT DOOR SPEAKER LEFT FRONT I/P SPEAKER LEFT REAR DOOR SPEAKER LR SPKR OUT + RR SPKR OUT + LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK BARE WIRE PNK WIRE PPL RADIO CONTROL SIGNAL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT FRONT DOOR SPEAKER RIGHT FRONT I/P SPEAKER RIGHT REAR DOOR SPEAKER SEEK DOWN SEEK PROG SEEK UP SEEK VOICE SERIAL DATA SOURCE DOWN SOURCE UP STEERING WHEEL) SUPPLY VOLTAGE TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VOLUME DOWN VOLUME UP WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE