Chevrolet Silverado 3500 (2002-2006) bcm class 2 serial data Wiring diagrams

2061 2062 1792 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 599 1547 1546 512 LR AUD SIG + LR AUD SIG - RF SPK OUT - RF SPK OUT + ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM VSS SIGNAL GRY/BLK WIRE HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT STEERING WHEEL AUDIO CONTROL SWITCH LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL ENABLE SIG PROG RADIO RADIO FUSE RADIO MUTE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT STEERING WHEEL AUDIO CONTROL SWITCH SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL) TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE VOICE VOL DN VOL UP

2061 2062 1792 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 511 1947 1946 546 1851 LF SPK OUT+ LF SPK OUT- RR AUD SIG+ RR AUD SIG- GROUND 599 1547 1546 512 LR SPK OUT + LR SPK OUT - RF SPK OUT - RF SPK OUT + ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM VSS SIGNAL GRN WIRE GRY/BLK WIRE I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL ENABLE SIG PROG VOICE RADIO RADIO MUTE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND PASSENGER AIR BAG MODULE) VOL UP VOL DN WHT WIRE

2061 2062 1792 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 511 1947 1946 546 1851 LF SPK OUT+ LF SPK OUT- RR AUD SIG+ RR AUD SIG- GROUND 599 1547 1546 512 LR SPK OUT + LR SPK OUT - RF SPK OUT - RF SPK OUT + ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM VSS SIGNAL GROUND GRY/BLK WIRE HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT STEERING WHEEL AUDIO CONTROL SWITCH LR AUD SIG+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL ENABLE SIG PROG RADIO RADIO FUSE RADIO MUTE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT STEERING WHEEL AUDIO CONTROL SWITCH RR AUD SIG+ SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL) TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE VOICE VOL UP VOL DN

2061 2062 1792 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 511 1947 1946 546 1851 LF SPK OUT+ LF SPK OUT- RR AUD SIG+ RR AUD SIG- GROUND 599 1547 1546 512 LR SPK OUT + LR SPK OUT - RF SPK OUT - RF SPK OUT + ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM VSS SIGNAL GRN WIRE GROUND GRY/BLK WIRE I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LR AUD SIG+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL ENABLE SIG PROG VOICE RADIO RADIO MUTE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RR AUD SIG+ SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND PASSENGER AIR BAG MODULE) VOL UP VOL DN WHT WIRE

B+ PWR WND LOCKOUT LR SIGNAL B+ PWR WND LOCKOUT RR SIGNAL B+ VOLT BCM CLASS 2 SERIAL DATA BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA CREW CAB DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE DRIVER WINDOW DRIVER WINDOW MOTOR FRONT PASSENGER DOOR MODULE FRONT PASSENGER WINDOW MOTOR GROUND GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) I/P RELAY BLOCK ILLUMINATION LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH (CREW CAB ONLY) LOGIC LR WINDOW (CREW CAB) LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE ORG/ WIRE PWR WND LOCKOUT LR SIG PWR WND LOCKOUT RR SIG PWR WND MOTOR LEFT REAR WINDOW LR REAR UP CTRL PWR WND MOTOR LF DOWN CTRL PWR WND MOTOR LF UP CTRL PWR WND MOTOR LR REAR DOWN CTRL PWR WND MOTOR RF DOWN CTRL PWR WND MOTOR RF UP CTRL PWR WND MOTOR RR REAR DOWN CTRL PWR WND MOTOR RR REAR UP CTRL PWR WND SW LR DOWN SIG PWR WND SW LR UP SIG PWR WND SW RR DOWN SIG PWR WND SW RR UP SIG PWR WND SWITCH LR DOWN SIGNAL PWR WND SWITCH LR UP SIGNAL PWR WND SWITCH RR DOWN SIGNAL PWR WND SWITCH RR UP SIGNAL RIGHT REAR WINDOW RIGHT REAR WINDOW MOTOR RIGHT WINDOW SWITCH (CREW CAB ONLY) RR WINDOW (CREW CAB) RT DOORS CIRCUIT BREAKER SPLICE PACK SWITCH POWER TAN WIRE WHT WIRE WINDOW DOWN WINDOW DOWN DN WINDOW LOCKOUT INDICATOR DOWN WINDOW LOCKOUT SWITCH WINDOW PASSENGER WINDOW SWITCH PASSENGER WINDOW UP YEL WIRE

2061 2062 1732 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 511 1947 1946 546 1851 LF AUD SIG+ LF AUD SIG- RR AUD SIG- RR AUD SIG+ GROUND 599 1547 1546 512 LR AUD SIG + LR AUD SIG - RF AUD SIG - RF AUD SIG + ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GROUND HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LR AUD SIG+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE PROG VOICE RADIO RADIO FUSE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RR AUD SIG+ SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP SYSTEM DATA LINES TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND RIGHT SIDE OF DASH) VOL UP VOL DN WHT WIRE

2061 2062 1732 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 511 1947 1946 546 1851 LF AUD SIG+ LF AUD SIG- RR AUD SIG- RR AUD SIG+ GROUND 599 1547 1546 512 LR AUD SIG + LR AUD SIG - RF AUD SIG - RF AUD SIG + ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GROUND HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LR AUD SIG+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE PROG VOICE RADIO RADIO FUSE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RR AUD SIG+ SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND RIGHT SIDE OF DASH) VOL UP VOL DN WHT WIRE

2061 2062 1732 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 511 1947 1946 546 1851 LF AUD SIG+ LF AUD SIG- RR AUD SIG- RR AUD SIG+ GROUND 599 1547 1546 512 LR AUD SIG + LR AUD SIG - RF AUD SIG - RF AUD SIG + ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GROUND HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LR AUD SIG+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE PROG VOICE RADIO RADIO FUSE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RR AUD SIG+ SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND RIGHT SIDE OF DASH) VOL UP VOL DN WHT WIRE