GMC Sierra III (2013-2015) blk Wiring diagrams

1 14 11 4 6 PPL PNK ELEM CTRL SPLY VOLT ELEM CTRL ELEM CTRL SPLY VOLT WIRE 1 4 5 6 GND GND B+ B+ 2 3 5 6 PNK LOW REF LOW REF LOW REF LOW REF WIRE 4 1 3 2 TEMP SIG TEMP SIG TEMP SIG TEMP SIG BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT (IN DRIVER'S SEAT BACK) DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER'S SEAT CUSHION) DRIVER SEAT 2 GRY WIRE HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MEMORY SEAT MODULE (UNDER FRONT OF DRIVER'S SEAT) NCA WIRE PASSENGER BACK HEATED SEAT ELEMENT (IN PASSENGER'S SEAT BACK) PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER'S SEAT CUSHION) PNK ELEM CTRL WIRE PNK WIRE PPL RED/WHT WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE YEL WIRE YEL/BLK WIRE

4 6 B+ GND BACK SEAT IND CUSHION/ BACK SW BACK SW BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUSHION/BACK IND PPL CUSHION/BACK SW DDM FUSE 4 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER HEATED SEAT SWITCH DSM FUSE 25 GROUND DISTRIBUTION SYSTEM GRY WIRE HIGH IND HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LOW IND LT BLU WIRE MED IND PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER HEATED SEAT SWITCH PDM FUSE 9 POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SEAT BACK IND SEAT BACK SW SERIAL DATA WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CUSHION, BACK HEAT 1 2 3 4 5 6 7 8 B+ GROUND 13 14 15 16 17 PPL BACK HEAT BLK WIRE BLU WIRE BREAKOUT) BRN WIRE COMPUTER DATA LINES SYSTEM CUSHION TEMP SEAT BACK TEMP BACK HEAT DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT (IN DRIVER'S SEAT BACK) DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER'S SEAT CUSHION) EXCEPT 6.6L 6.6L FUSE 37 FUSE 34 GRN WIRE GRY WIRE HEATED SEAT CONTROL MODULE HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOW HEAT IND HIGH HEAT IND LOW HEAT IND HIGH HEAT IND LOW SPEED GMLAN LT BLU WIRE LT GRN WIRE MEDIUM HEAT IND BACK, CUSHION HEAT IND NCA WIRE PASSENGER BACK HEATED SEAT ELEMENT (IN PASSENGER'S SEAT BACK) PNK DK PPL WIRE PNK LOW REF LOW REF LOW REF LOW REF WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

13 14 15 16 17 PPL BACK BACK IND BLK WIRE BLU WIRE BRN WIRE CUSHION, BACK CUSHION, BACK IND DK BLU WIRE DK GRN WIRE DRIVER HEATED SEAT SWITCH GRY WIRE LT BLU WIRE MID NCA WIRE PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER'S SEAT CUSHION) PASSENGER HEATED SEAT SWITCH PNK LT DK WIRE PNK LT WIRE PNK WIRE PPL PPL/WHT WIRE TAN WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE NCA WIRE PASS SEAT 1 CIRCUIT BREAKER PASSENGER SEAT ADJUSTER MOTOR ASSEMBLY (ON PASSENGER'S SEAT TRACK) PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT REAR VERTICAL MOTOR RED/WHT WIRE RWD TAN WIRE YEL WIRE

BLK WIRE DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PASS SEAT 1 CIRCUIT BREAKER PASSENGER SEAT ADJUSTER MOTOR ASSEMBLY (ON PASSENGER'S SEAT TRACK) PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT LUMBAR HORIZONTAL MOTOR (IN PASSENGER'S SEAT BACK) PASSENGER SEAT LUMBAR SWITCH PASSENGER SEAT LUMBAR VERTICAL MOTOR (IN PASSENGER'S SEAT BACK) PASSENGER SEAT REAR VERTICAL MOTOR PASSENGER SEAT RECLINE MOTOR (LOWER RIGHT SIDE OF PASSENGER'S SEAT BACK) PNK WIRE RED/WHT WIRE RWD TAN WIRE WHT WIRE YEL WIRE

BLK WIRE BRN/WHT WIRE DEFOGGER SYSTEM DK BLU/WHT WIRE DOWN DRIVER OUTSIDE REARVIEW MIRROR HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LEFT LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL/WHT WIRE PWR MIR FUSE 14 RED/WHT WIRE RIGHT TAN WIRE TAN/WHT WIRE WHT WIRE

1 2 4 10 5 7 RETRACT CTRL EXTEND CTRL SENS SIG LOW REF SENS SIG 2 6 1 3 7 POSITION CTRL MTR COMM POSITION CTRL LOW REF SPLY VOLT 4 6 B+ GND BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE GROUND DISTRIBUTION SYSTEM GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PDM FUSE 9 POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA WHT WIRE YEL WIRE

ACCESSORY VOLTAGE B+ VOLT BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CREW CAB DK BLU WIRE DK GRN WIRE DOWN DOWN SIG DRIVER WINDOW MOTOR (INSIDE DRIVER'S DOOR) DRIVER WINDOW SWITCH EXPRESS GROUND HOT AT ALL TIMES HOT AT ALL TIMES LT DR CIRCUIT BREAKER I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUMINATION LEFT FRONT WINDOW SWITCH LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LF DOWN CTRL LF UP CTRL LOCKOUT RR CTRL LOCKOUT SIG LOGIC LOGIC B+ DOWN LR DOWN CTRL SIG LR DOWN SIG LR UP CTRL LR UP SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE PASS DOWN SIG PASS UP SIG PASSENGER WINDOW MOTOR (INSIDE PASSENGER'S DOOR) PASSENGER WINDOW SWITCH PPL PPL RR DOWN SIG RED/WHT WIRE RF DOWN CTRL RF UP CTRL RIGHT FRONT WINDOW SWITCH RIGHT REAR WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DOWN CTRL RR DOWN SIG RR UP CTRL RR UP SIG RT DOORS CIRCUIT SIG TAN WIRE UP PPL LR DOWN SIG UP SIG WHT WIRE WINDOW SWITCH (RIGHT REAR) YEL WIRE

B+ VOLT BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CREW CAB DK BLU WIRE DK GRN WIRE DOWN DRIVER DOOR LOCK/WINDOW SWITCH DRIVER WINDOW MOTOR (INSIDE DRIVER'S DOOR) EXPRESS EXPRESS B+ VOLT GROUND GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUMINATION LEFT FRONT WINDOW SWITCH LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LF DOWN CTRL LF UP CTRL LO SPD SERIAL DATA LO-SPEED SERIAL DATA LOCKOUT IND LOCKOUT SWITCH LOGIC LOGIC B+ LOGIC SIGNAL LR DOWN CTRL LR UP CTRL LR UP SIG LT BLU/WHT WIRE LT DR CIRCUIT BREAKER LT GRN WIRE PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER WINDOW MOTOR (INSIDE PASSENGER'S DOOR) PPL PPL LR DOWN SIG PPL PWR WND SWITCH RR DOWN SIGNAL PWR WND LOCKOUT RR CTRL PWR WND LOCKOUT RR SIG PWR WND MOTOR RF DOWN CTRL PWR WND MOTOR RF UP CTRL PWR WND MOTOR RR DOWN CTRL PWR WND MOTOR RR UP CTRL GROUND PWR WND SW LOCKOUT SIG 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 RR UP SIGNAL RED/WHT WIRE RIGHT FRONT WINDOW SWITCH RIGHT I/P JUNCTION BLOCK RIGHT REAR WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RT DOORS CIRCUIT SPLICE WHT WIRE