Chevrolet Express G1500 (2013-2013) serial gmlan lo spd Wiring diagram

A/C REFRIGERANT PRESSURE SENSOR ACC WAK SER DATA ACCELERATOR PEDAL POSITION (APP) SENSOR (UNDER LEFT SIDE OF DASH) AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM APP SENS 2 SIG IGN VOLT BATT POS VOLT LOW REF PNK WIRE BANK 1 SENSOR 2 BANK 2 SENSOR 2 BLK WIRE BRAKE LO REF BRAKE PEDAL POSITION (BPP) SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE SENS SIG BRN WIRE BRN/WHT WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE 19 ECM IGN/ GLOW PLUG MDL IGN FUSE 30 ENGINE CONTROL MODULE (ECM) FUEL PUMP, SENDER ASSEMBLY (ON FUEL TANK) FUEL TANK PRESSURE (FTP) SENSOR (ON FUEL TANK) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ RUN/ CRNK RELAY 15 ENERGIZED INSTRUMENT CLUSTER DRIVER INFORMATION CENTER DISPLAY LOGIC LOW REF LOW REF PRESS SENS SIG LOW REF PRESS SENS SIG GMLAN SER DATA+ GMLAN SER DATA- BRK SENS SPLY LT BLU WIRE MAF SENS SIG MALFUNCTION INDICATOR LAMP MIL CTRL NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK 3 4 WIRE PNK WIRE PPL PPL FUEL LVL SENS SIG PPL/WHT WIRE PRESSURE IND LOW ENGINE OIL PUMP RLY CTRL PWR/TRN RLY CTRL RED/WHT WIRE SERIAL GMLAN LO SPD STARTER RLY CTRL STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TOS SIGNAL TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VSS SIGNAL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE