Chevrolet Silverado Classic 1500 HD (2007-2007) left battery Wiring diagrams

8.1L ANTI-LOCK BRAKE SYSTEM AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT) BATTERY BATTERY CABLE JUNCTION BLOCK (NEAR LEFT SIDE OF ENG) BATTERY NOT CHARGING BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFO CENTER EXCEPT 8.1L FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 1 (8 GA- FUSIBLE LINK 4 (14 GA- GRAY) FUSIBLE LINK 5 (10 GA- FUSIBLE LINK 6 (10 GA- GENERATOR B+ GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER LEFT BATTERY LOGIC MEGA FUSE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPARTMENT) RED WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) SEO IGN FUSE SERIAL DATA CLASS 2 STARTER UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT) VOLTS W/ SEO W/AUX BATTERY W/DUAL BATTERIES W/O SEO WRECKER OPTION

AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT) BATTERY BATTERY NOT CHARGING BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL CLASS 2 SERIAL DATA COMPUTER DATA LINES DK GRN WIRE DRIVER INFO CENTER DUAL GENERATORS ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT OF ENGINE COMPARTMENT) ENGINE CONTROLS SYSTEM FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 1 (8 GA- FUSIBLE LINK 2 (8 GA- FUSIBLE LINK 4 (14 GA- GRAY) FUSIBLE LINK 5 (10 GA- FUSIBLE LINK 6 (10 GA- GENERATOR 2 GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER JUNCTION BLOCK - BATTERY CABLE (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) LEFT BATTERY LEFT GENERATOR LOGIC MEGA FUSE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) RIGHT GENERATOR SEO IGN FUSE SERIAL DATA CLASS 2 STARTER UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT) VOLTS W/ SEO W/AUX BATTERY W/DUAL BATTERIES W/O SEO WRECKER OPTION

AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT) BATTERY BATTERY NOT CHARGING BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL CLASS 2 SERIAL DATA COMPUTER DATA LINES DK GRN WIRE DRIVER INFO CENTER DUAL GENERATORS ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT OF ENGINE COMPARTMENT) ENGINE CONTROLS SYSTEM FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 1 (8 GA- FUSIBLE LINK 2 (8 GA- FUSIBLE LINK 4 (14 GA- GRAY) FUSIBLE LINK 5 (10 GA- FUSIBLE LINK 6 (10 GA- GENERATOR 2 GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER JUNCTION BLOCK - BATTERY CABLE (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) LEFT BATTERY LEFT GENERATOR LOGIC MEGA FUSE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) RIGHT GENERATOR SEO IGN FUSE SERIAL DATA CLASS 2 STARTER UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT) VOLTS W/ SEO W/AUX BATTERY W/DUAL BATTERIES W/O SEO WRECKER OPTION

8.1L ANTI-LOCK BRAKE SYSTEM AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT) BATTERY BATTERY CABLE JUNCTION BLOCK (NEAR LEFT SIDE OF ENG) BATTERY NOT CHARGING BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFO CENTER EXCEPT 8.1L FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 1 (8 GA- FUSIBLE LINK 4 (14 GA- GRAY) FUSIBLE LINK 5 (10 GA- FUSIBLE LINK 6 (10 GA- GENERATOR B+ GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER LEFT BATTERY LOGIC MEGA FUSE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPARTMENT) RED WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) SEO IGN FUSE SERIAL DATA CLASS 2 STARTER UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT) VOLTS W/ SEO W/AUX BATTERY W/DUAL BATTERIES W/O SEO WRECKER OPTION

4.3L 6.0L W/ 4 SPD A/T AUXILIARY BATTERY RELAY (RIGHT REAR ENG COMPT) BATTERY BATTERY NOT CHARGING BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFO CENTER ENGINE ON SIGNAL EXCEPT 4.3L EXCEPT 6.0L 4 SPD A/T FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 1 (10 GA- FUSIBLE LINK 1 (8 GA- FUSIBLE LINK 4 (14 GA- GRAY) FUSIBLE LINK 5 (10 GA- FUSIBLE LINK 6 (10 GA- GENERATOR GENERATOR BATTERY CONTROL MODULE GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) I/P RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER JUNCTION BLOCK - BATTERY CABLE LEFT BATTERY LOGIC MEGA FUSE ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM (TRAILERING OPTION) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) RVC FUSE STARTER SUPPLEMENTAL BRAKE ASSIST PUMP MOTOR (MOUNTED TO POWER BRAKE BOOSTER) VOLTS W/ BRAKE VAC POWER W/AUX BATTERY W/DUAL BATTERIES

4.3L 6.0L W/ 4 SPD A/T AUXILIARY BATTERY RELAY (RIGHT REAR ENG COMPT) BATTERY BATTERY NOT CHARGING BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFO CENTER ENGINE ON SIGNAL EXCEPT 4.3L EXCEPT 6.0L 4 SPD A/T FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 1 (10 GA- FUSIBLE LINK 1 (8 GA- FUSIBLE LINK 4 (14 GA- GRAY) FUSIBLE LINK 5 (10 GA- FUSIBLE LINK 6 (10 GA- GENERATOR GENERATOR BATTERY CONTROL MODULE GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) I/P RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER JUNCTION BLOCK - BATTERY CABLE LEFT BATTERY LOGIC MEGA FUSE ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM (TRAILERING OPTION) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) RVC FUSE STARTER SUPPLEMENTAL BRAKE ASSIST PUMP MOTOR (MOUNTED TO POWER BRAKE BOOSTER) VOLTS W/ BRAKE VAC POWER W/AUX BATTERY W/DUAL BATTERIES

13 14 15 16 PPL 2500 2500 1 2 HI SPD GMLAN SRL DATA + HI SPD GMLAN SRL DATA + 2501 2501 HI SPD GMLAN SRL DATA - HI SPD GMLAN SRL DATA - 5084 5691 50 HI VOLTAGE BATTERY (+) HI VOLTAGE BATTERY (-) 5685 5595 50 5087 5686 5683 APO NEUTRAL HI VOLT INTERLOCK LOOP SIG 2 BATTERY BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRANK VOLTAGE ENGINE SPEED SIGNAL DK GRN WIRE ENG SPD SIG ESCM FUSE FUSE FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 4 (14 GA- GREY) GRN WIRE HCM-B FUSE HCM-I FUSE HIGH SPEED GMLAN SERIAL HOOD AJAR SWITCH HOT AT ALL TIMES HOT IN RUN OR START HYBRID CONTROL MODULE HYBRID FUSE INSTRUMENT CLUSTER SYSTEM LEFT BATTERY LT BLU WIRE LT BLU/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PHASE 1 PHASE 2 PHASE 3 PNK 1 2 3 WIRE PNK COOLANT PUMP RLY CTRL WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PNP MEDIUM RESOLU- TION ENGINE SPEED SIGNAL POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM (TRAILERING OPTION) PPL PPL 5 6 7 8 PPL HI VOLT INTERLOCK LOOP SIG 2 GROUND APO PHASE A PPL PNK WIRE PPL/WHT WIRE RED WIRE STARTER ENABLE RLY CTRL STARTER/GENERATOR STARTER/GENERATOR CONTROL MODULE (RIGHT REAR OF ENG COMPT) SWITCH SIGNAL TAN WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) UNDERHOOD SECONDARY FUSE BLOCK (LEFT SIDE OF ENG COMPT, REAR OF BATTERY) WHT WIRE YEL WIRE YEL/BLK WIRE

71 39 7 59 9 58 (DIESEL) (GASOLINE) ALLISON A/T BLK WIRE BLK/WHT WIRE CHARGING CIRCUIT CLUTCH PEDAL POSITION SWITCH (M/T) (TOP OF CLUTCH PEDAL ASSEMBLY) COMPARTMENT) COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRANK FUSE DIESEL DIESEL 8.1L STARTER MOTOR DIESEL GASOLINE A/T EXCEPT ALLISON PNK PNK WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM (DIESEL) EXCEPT A/T EXCEPT DIESEL EXCEPT GASOLINE FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 3 (8 GA- FUSIBLE LINK 4 (14 GA- GRAY) GASOLINE GASOLINE DIESEL GASOLINE EXCEPT 8.1L GLOW PLUG CONTROL MODULE GRN WIRE IGN A FUSE IGN B FUSE IGN E FUSE IGNITION SWITCH INSTRUMENT PANEL CLUSTER JUNCTION BLOCK - BATTERY CABLE (NEAR LEFT SIDE OF ENG COMPT) LEFT BATTERY LOCK OFF M/T MEGA FUSE MEGA FUSE PARK/ NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANS) PNK 739 639 WIRE PNK PPL PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM (WRECKER/AUXILIARY BATTERY OPTION) PPL PPL 43 49 806 2470 CRANK VOLT SER DATA RED WIRE RUN WIRE STARTER RELAY STARTER SOLENOID RIGHT BATTERY TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT) UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE ENG COMPT) W/ ALLISON A/T W/ ALLISON A/T A/T EXCEPT ALLISON YEL WIRE YEL/BLK WIRE

71 39 7 59 9 58 (DIESEL) (GASOLINE) ALLISON A/T BLK WIRE BLK/WHT WIRE CHARGING CIRCUIT CLUTCH PEDAL POSITION SWITCH (M/T) (TOP OF CLUTCH PEDAL ASSEMBLY) COMPARTMENT) COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRANK FUSE DIESEL DIESEL 8.1L STARTER MOTOR DIESEL GASOLINE A/T EXCEPT ALLISON PNK PNK WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM (DIESEL) EXCEPT A/T EXCEPT DIESEL EXCEPT GASOLINE FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 3 (8 GA- FUSIBLE LINK 4 (14 GA- GRAY) GASOLINE GASOLINE DIESEL GASOLINE EXCEPT 8.1L GLOW PLUG CONTROL MODULE GRN WIRE IGN A FUSE IGN B FUSE IGN E FUSE IGNITION SWITCH INSTRUMENT PANEL CLUSTER JUNCTION BLOCK - BATTERY CABLE (NEAR LEFT SIDE OF ENG COMPT) LEFT BATTERY LOCK OFF M/T MEGA FUSE MEGA FUSE PARK/ NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANS) PNK 739 639 WIRE PNK PPL PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM (WRECKER/AUXILIARY BATTERY OPTION) PPL PPL 43 49 806 2470 CRANK VOLT SER DATA RED WIRE RUN WIRE STARTER RELAY STARTER SOLENOID RIGHT BATTERY TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT) UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE ENG COMPT) W/ ALLISON A/T W/ ALLISON A/T A/T EXCEPT ALLISON YEL WIRE YEL/BLK WIRE