GMC Sierra III (2013-2015) telephone switch Wiring diagrams

BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE EMERGENCY SWITCH GMLAN GND SIG GREEN LIGHT LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V L INFRARED LED LED SIG LOGIC INSIDE REARVIEW MIRROR (ISRVM) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED REAR SEAT AUDIO (RSA) CONTROL RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RSE FUSE 19 TAN WIRE TELEPHONE SWITCH W/ REAR SEAT ENTERTAINMENT PACKAGE W/ S-BAND DIGITAL AUDIO SYSTEM/VEHICLE COMMUNICATION SYSTEM YEL WIRE YEL/BLK WIRE

AMPL CNTRL BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GREEN LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V L INFRARED L SUBWFR - LED GND SIG LED SIG LOGIC INSIDE REARVIEW MIRROR (ISRVM) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LF AUD + LF SPK - LIGHT LR AUD + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR EMERGENCY SWITCH SWITCH ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED WIRE RED/WHT WIRE REM ENABLE RF AUD + RF SPK - RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RR AUD - RSE FUSE 19 SUBWOOFER SPEAKER TAN WIRE TELEPHONE SWITCH W/ REAR SEAT ENTERTAINMENT PACKAGE W/O REAR SEAT ENTERTAINMENT PACKAGE WHT WIRE YEL WIRE YEL/BLK WIRE

5060 2011 2099 1546 1947 1946 1999 COMPUTER DATA LINES SYSTEM AMP CTRL GND AMP FUSE 41 FUSE 38 ANTENNA BLK WIRE BRN WIRE BRN/WHT WIRE COAX BK DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EMERGENCY SWITCH EXCEPT 6.6L 6.6L GMLAN DRAIN WIRE DRAIN WIRE RF AUD- LF AUD- RR AUD- LR AUD- GREEN LIGHT HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) LED GND SIG LED SIG LOGIC LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LIGHT LOW REF LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH ORG/ WIRE ORG/BLK WIRE RADIO RDO FUSE 42 FUSE 39 RED WIRE RED/WHT WIRE RF AUD+ LF AUD+ RR AUD+ LR AUD+ REM SIG TAN WIRE TELEPHONE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG WHT WIRE YEL/BLK WIRE

ANTENNA 201 200 BK COAX BK USB CABLE BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DND EMERGENCY SWITCH EXCEPT 6.6L 6.6L GMLAN GREEN LIGHT LIGHT GRY WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) LED LED GND SIG SIG LF SPK- RF SPK- LOGIC LOW REF LR AUD- RR AUD- LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH RADIO RDO FUSE 42 FUSE 39 RED WIRE RED/WHT WIRE TAN WIRE TELEPHONE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG YEL WIRE YEL/BLK WIRE

ANTENNA 201 200 BK COAX BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EMERGENCY SWITCH EXCEPT 6.6L 6.6L GMLAN GREEN LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE INFO FUSE 22 INSIDE REARVIEW MIRROR (ISRVM) LED GND SIG LED SIG LOGIC LF SPK- RF SPK- LIGHT LOW REF LR AUD- LR AUD- LR AUD- RR AUD- LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OF DASH) ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH POWER DISTRIBUTION SYSTEM RADIO RDO FUSE 42 FUSE 39 RED WIRE RED/WHT WIRE REM SIG B+ TAN WIRE TELEPHONE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG W/ ONSTAR WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND SIG GREEN LIGHT LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V L INFRARED LED LED SIG LOGIC INSIDE REARVIEW MIRROR (ISRVM) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR EMERGENCY SWITCH SWITCH ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED REAR SEAT AUDIO (RSA) CONTROL (IF EQUIPPED) RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RSE FUSE 19 TAN WIRE TELEPHONE SWITCH W/ REAR SEAT ENTERTAINMENT PACKAGE W/ S-BAND DIGITAL AUDIO SYSTEM / VEHICLE COMMUNICATION SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

AMPL CNTRL BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GREEN LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V L INFRARED L SUBWFR - LED GND SIG LED SIG LOGIC INSIDE REARVIEW MIRROR (ISRVM) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LF AUD + LF SPK - LIGHT LR AUD + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR EMERGENCY SWITCH SWITCH ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED WIRE RED/WHT WIRE REM ENABLE RF AUD + RF SPK - RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RR AUD - RSE FUSE 19 SUBWOOFER SPEAKER TAN WIRE TELEPHONE SWITCH W/ REAR SEAT ENTERTAINMENT PACKAGE W/O REAR SEAT ENTERTAINMENT PACKAGE WHT WIRE YEL WIRE YEL/BLK WIRE

5060 2011 2099 1546 1947 1946 1999 COMPUTER DATA LINES SYSTEM AMP CTRL GND AMP FUSE 41 FUSE 38 ANTENNA BLK WIRE BRN WIRE BRN/WHT WIRE COAX BK DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EMERGENCY SWITCH EXCEPT 6.6L 6.6L GMLAN DRAIN WIRE DRAIN WIRE RF AUD- LF AUD- RR AUD- LR AUD- GREEN LIGHT HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) LED GND SIG LED SIG LOGIC LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LIGHT LOW REF LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH ORG/ WIRE ORG/BLK WIRE RADIO RDO FUSE 42 FUSE 39 RED WIRE RED/WHT WIRE RF AUD+ LF AUD+ RR AUD+ LR AUD+ REM SIG TAN WIRE TELEPHONE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG WHT WIRE YEL/BLK WIRE

ANTENNA 201 200 BK COAX BK USB CABLE BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DND EMERGENCY SWITCH EXCEPT 6.6L 6.6L GMLAN GREEN LIGHT LIGHT GRY WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) LED LED GND SIG SIG LF SPK- RF SPK- LOGIC LOW REF LR AUD- RR AUD- LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH RADIO RDO FUSE 42 FUSE 39 RED WIRE RED/WHT WIRE TAN WIRE TELEPHONE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG YEL WIRE YEL/BLK WIRE

ANTENNA 201 200 BK COAX BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EMERGENCY SWITCH EXCEPT 6.6L 6.6L GMLAN GREEN LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE INFO FUSE 22 INSIDE REARVIEW MIRROR (ISRVM) LED GND SIG LED SIG LOGIC LF SPK- RF SPK- LIGHT LOW REF LR AUD- LR AUD- LR AUD- RR AUD- LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OF DASH) ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH POWER DISTRIBUTION SYSTEM RADIO RDO FUSE 42 FUSE 39 RED WIRE RED/WHT WIRE REM SIG B+ TAN WIRE TELEPHONE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG W/ ONSTAR WHT WIRE YEL WIRE YEL/BLK WIRE