Chevrolet Silverado GMT K2XX (2013-2015) 1271 3202 5991 low ref low ref pwtn rly ctrl Wiring diagrams

1271 3202 5991 LOW REF LOW REF PWTN RLY CTRL 2500 1272 2760 COMPUTER DATA LINES SYSTEM PPL 5 VOLT REF 3 5985 439 440 COMPUTER DATA LINES SYSTEM PNK WIRE AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM STARTING/CHARGING SYSTEM ANTI-LOCK VEHICLE SPD SIG BRAKES SYSTEM APP SENS 1 SIG INLET PRESS SENS SIG A/C SENS SIG LOW REF FP RLY CTRL APP SENS 2 SIG MAF SENS SIG AXLE SW SIG BATT POS CNG SW 12 BLK WIRE BLK/WHT WIRE BRAKE SW SIG PARK/NEUTRAL SIG EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM BRN WIRE BRN/WHT WIRE COMPUTER DATA HIGH SPD DATA BUS - LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EVAP VENT SOL CTRL FUEL PMP RELAY FUEL PUMP FUSE 20 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES IAT SENS SIG INTAKE AIR TEMPERATURE SIGNAL MODIFICATION MODULE (LEFT FRONT OF ENGINE COMPT) LT BLU WIRE LT BLU/WHT WIRE MIL CTRL AIR COMPR CLTCH RLY CTRL CONDITIONING SYSTEM ORG/BLK WIRE PNK 8 9 WIRE PNK WIRE PPL RED/BLK WIRE RED/WHT WIRE STARTING/ CHARGE IND SIG CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/RED WIRE TAN/WHT WIRE TO PWR/TRN RELAY (DIAGRAM 2 OF 10) TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (ON POSITIVE BATTERY TERMINAL) WAKEUP SERIAL DATA IGNITION 1 VOLT B+ VOLT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

1271 3202 5991 LOW REF LOW REF PWTN RLY CTRL 13 14 15 PNK WIRE 2500 1272 2760 COMPUTER DATA LINES SYSTEM PPL 5 VOLT REF 3 5985 439 440 COMPUTER DATA LINES SYSTEM PNK WIRE AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM STARTING/CHARGING SYSTEM ANTI-LOCK BRAKES SYSTEM VEHICLE SPD SIG APP SENS 1 SIG INLET PRESS SENS SIG A/C SENS SIG LOW REF FP RLY CTRL APP SENS 2 SIG MAF SENS SIG AXLE SW SIG BLK WIRE BLK/WHT WIRE BRAKE SW SIG PARK/NEUTRAL SIG EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM HIGH SPD DATA BUS - DK BLU WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EVAP VENT SOL CTRL FUEL PMP RELAY FUEL PUMP FUSE 20 GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES IAT SENS SIG LT BLU WIRE LT BLU/WHT WIRE MIL CTRL AIR CONDITIONING SYSTEM COMPR CLTCH RLY CTRL OF ENGINE COMPT) ORG/BLK WIRE PNK 1 2 WIRE PNK 7 8 WIRE PNK WIRE PPL RED/BLK WIRE RED/WHT WIRE STARTING/CHARGING SYSTEM CHARGE IND SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE INLET ABSOLUTE PRESSURE SENSOR (ON THROTTLE BODY) TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE UNDERHOOD FUSE HOLDER (ON POSITIVE BATTERY TERMINAL) WAKEUP SERIAL DATA IGNITION 1 VOLT B+ VOLT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE