Chevrolet Silverado 3500 (2002-2006) hdlp low relay Wiring diagrams

A/C COMP FUSE A/C COMP RELAY BLK WIRE BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC/ TPM FUSE AUX PWR 2 FUSE ETC/ECM FUSE EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM MBEC 1 FUSE (DIAGRAM 3 OF 6) FROM PCM B FUSE (DIAGRAM 2 OF 6) FUEL PUMP RELAY (SECONDARY) (W/ DUAL TANKS) PNK WIRE FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 RELAY INTAKE AIR TEMPERATURE (IAT)/MASS AIRFLOW (MAF) SENSOR ASSEMBLY LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOOR CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE MEMORY SEAT ADJUSTER SEAT MODULE SWITCH (DRIVER) (DRIVER) NON BUCKET BUCKET ORG/ WIRE PARK LP RELAY PASSENGER DOOR MODULE PCM 1 FUSE PDM FUSE LOCKS FUSE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWER TAKE OFF RELAY POWERTRAIN FUEL CONTROL COMPOSITION MODULE SENSOR RED WIRE RT DOORS CIRCUIT BREAKER SBA FUSE SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEATS CIRCUIT BREAKER SUPPLEMENTAL BRAKE ASSIST PUMP MOTOR THROTTLE ACTUATOR CONTROL MODULE (EXCEPT 4.3L) TIRE PRESSURE MONITOR (TPM) MODULE TO IGN 1 RELAY (DIAGRAM 3 OF 6) TO INJ 1 FUSE (DIAGRAM 4 OF 6) TO SEO IGN FUSE (DIAGRAM 6 OF 6) TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW DRIVER SWITCH DOOR (LEFT REAR) MODULE (CREW CAB) WINDOW SWITCH (RIGHT REAR)

A/C COMP FUSE A/C COMP RELAY BLK WIRE BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC FUSE AUX PWR 2 FUSE ETC/ECM FUSE EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM MBEC 1 FUSE (DIAGRAM 3 OF 6) FROM PCM B FUSE (DIAGRAM 2 OF 6) FUEL PUMP RELAY (SECONDARY) (W/ DUAL TANKS) PNK WIRE FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 RELAY INTAKE AIR TEMPERATURE (IAT)/MASS AIRFLOW (MAF) SENSOR ASSEMBLY LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOOR CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE MEMORY SEAT ADJUSTER SEAT MODULE SWITCH (DRIVER) (DRIVER) NON BUCKET BUCKET ORG/ WIRE PARK LP RELAY PASSENGER DOOR MODULE PCM 1 FUSE PDM FUSE LOCKS FUSE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWER TAKE OFF RELAY POWERTRAIN FUEL CONTROL COMPOSITION MODULE SENSOR RED WIRE RT DOORS CIRCUIT BREAKER SBA FUSE SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEATS CIRCUIT BREAKER SUPPLEMENTAL BRAKE ASSIST PUMP MOTOR THROTTLE ACTUATOR CONTROL MODULE (EXCEPT 4.3L) TO IGN 1 RELAY (DIAGRAM 3 OF 6) TO INJ 1 FUSE (DIAGRAM 4 OF 6) TO SEO IGN FUSE (DIAGRAM 6 OF 6) TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW DRIVER SWITCH DOOR (LEFT REAR) MODULE (CREW CAB) WINDOW SWITCH (RIGHT REAR)

A/C COMP FUSE A/C COMP RELAY BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC FUSE AUX PWR 2 FUSE ECM 1 FUSE EGR VALVE VENT SOLENOID EGR VALVE SOLENOID FUEL HEATER ENGINE CONTROL MODULE EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM MBEC 1 FUSE (DIAGRAM 3 OF 5) FROM PCM B FUSE (DIAGRAM 2 OF 5) FRONT PASSENGER DOOR MODULE SEAT ADJUSTER SWITCH (DRIVER) FUEL HT FUSE FUSE FUSE FUSE GLOW PLUG CONTROLLER EGR VALVE THROTTLE VALVE SOLENOID HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INTAKE AIR HEATER RELAY INTAKE AIR TEMPERATURE (IAT)/MASS AIR FLOW (MAF) SENSOR LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOORS CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE MEMORY SEAT MODULE ORG/ WIRE PARK LP RELAY PDM FUSE LOCKS FUSE PNK PNK WIRE PNK WIRE RED WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RT DOOR CIRCUIT BREAKER SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEAT CIRCUIT BREAKER TO FUEL HT FUSE (DIAGRAM 3 OF 5) TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW SWITCH (LEFT REAR) (CREW CAB) DRIVER DOOR MODULE WINDOW SWITCH (RIGHT REAR)

A/C COMP FUSE A/C COMP RELAY ACTUATOR FUSE BLK WIRE BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC/ TPM FUSE AUX PWR 2 FUSE ECM FUSE ECM RELAY ENGINE CONTROL MODULE EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM PCM B FUSE (DIAGRAM 2 OF 5) FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOOR CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE NON BUCKET BUCKET NOT USED NOT USED ORG/ WIRE PARK LP RELAY PASSENGER DOOR MODULE PDM FUSE LOCKS FUSE PNK PNK WIRE PNK WIRE POWER TAKE OFF RELAY RED WIRE RT DOORS CIRCUIT BREAKER SEAT ADJUSTER SWITCH (DRIVER) MEMORY SEAT MODULE (DRIVER) SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEATS CIRCUIT BREAKER TIRE PRESSURE MONITOR (TPM) MODULE TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW SWITCH (LEFT REAR) (CREW CAB) DRIVER DOOR MODULE WINDOW SWITCH (RIGHT REAR)

A/C COMP FUSE A/C COMP RELAY ACTUATOR FUSE BLK WIRE BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC/ TPM FUSE AUX PWR 2 FUSE ECM FUSE ECM RELAY ENGINE CONTROL MODULE EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM PCM B FUSE (DIAGRAM 2 OF 5) FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOOR CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE NON BUCKET BUCKET NOT USED NOT USED ORG/ WIRE PARK LP RELAY PASSENGER DOOR MODULE PDM FUSE LOCKS FUSE PNK PNK WIRE PNK WIRE POWER TAKE OFF RELAY RED WIRE RT DOORS CIRCUIT BREAKER SEAT ADJUSTER SWITCH (DRIVER) MEMORY SEAT MODULE (DRIVER) SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEATS CIRCUIT BREAKER TIRE PRESSURE MONITOR (TPM) MODULE TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW SWITCH (LEFT REAR) (CREW CAB) DRIVER DOOR MODULE WINDOW SWITCH (RIGHT REAR)

A/C COMP FUSE A/C COMP RELAY BLK WIRE BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC/ TPM FUSE AUX PWR 2 FUSE ETC/ECM FUSE EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM MBEC 1 FUSE (DIAGRAM 3 OF 6) FROM PCM B FUSE (DIAGRAM 2 OF 6) FUEL PUMP RELAY (SECONDARY) (W/ DUAL TANKS) PNK WIRE FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 RELAY INTAKE AIR TEMPERATURE (IAT)/MASS AIRFLOW (MAF) SENSOR ASSEMBLY LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOOR CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE MEMORY SEAT ADJUSTER SEAT MODULE SWITCH (DRIVER) (DRIVER) NON BUCKET BUCKET ORG/ WIRE PARK LP RELAY PASSENGER DOOR MODULE PCM 1 FUSE PDM FUSE LOCKS FUSE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWER TAKE OFF RELAY POWERTRAIN FUEL CONTROL COMPOSITION MODULE SENSOR RED WIRE RT DOORS CIRCUIT BREAKER SBA FUSE SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEATS CIRCUIT BREAKER SUPPLEMENTAL BRAKE ASSIST PUMP MOTOR THROTTLE ACTUATOR CONTROL MODULE (EXCEPT 4.3L) TIRE PRESSURE MONITOR (TPM) MODULE TO IGN 1 RELAY (DIAGRAM 3 OF 6) TO INJ 1 FUSE (DIAGRAM 4 OF 6) TO SEO IGN FUSE (DIAGRAM 6 OF 6) TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW DRIVER SWITCH DOOR (LEFT REAR) MODULE (CREW CAB) WINDOW SWITCH (RIGHT REAR)

A/C COMP FUSE A/C COMP RELAY BLK WIRE BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC FUSE AUX PWR 2 FUSE ETC/ECM FUSE EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM MBEC 1 FUSE (DIAGRAM 3 OF 6) FROM PCM B FUSE (DIAGRAM 2 OF 6) FUEL PUMP RELAY (SECONDARY) (W/ DUAL TANKS) PNK WIRE FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 RELAY INTAKE AIR TEMPERATURE (IAT)/MASS AIRFLOW (MAF) SENSOR ASSEMBLY LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOOR CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE MEMORY SEAT ADJUSTER SEAT MODULE SWITCH (DRIVER) (DRIVER) NON BUCKET BUCKET ORG/ WIRE PARK LP RELAY PASSENGER DOOR MODULE PCM 1 FUSE PDM FUSE LOCKS FUSE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWER TAKE OFF RELAY POWERTRAIN FUEL CONTROL COMPOSITION MODULE SENSOR RED WIRE RT DOORS CIRCUIT BREAKER SBA FUSE SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEATS CIRCUIT BREAKER SUPPLEMENTAL BRAKE ASSIST PUMP MOTOR THROTTLE ACTUATOR CONTROL MODULE (EXCEPT 4.3L) TO IGN 1 RELAY (DIAGRAM 3 OF 6) TO INJ 1 FUSE (DIAGRAM 4 OF 6) TO SEO IGN FUSE (DIAGRAM 6 OF 6) TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW DRIVER SWITCH DOOR (LEFT REAR) MODULE (CREW CAB) WINDOW SWITCH (RIGHT REAR)

AMBIENT LIGHT SENSOR (ON TOP CENTER OF DASH) AMBIENT LIGHT SUNLOAD SENSOR ASSEMBLY (TOP OF INSTRUMENT PANEL) AMBIENT LT SENS DRL SW SIG FOG LP SW SIG HDLP DIM SW SIG AUTO AUTO PARK HEAD BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL DEFEAT DRL FUSE DRL RELAY FLASH TO PASS FOG LAMP SWITCH FOG LP FUSE FOG LP RELAY GASOLINE DIESEL HDLP LOW RELAY HDLP-HI RELAY HEADLAMP SWITCH HI BM RLY CTRL LO BM RLY CTRL DRL RLY CTRL FOG LP RLY CTRL HI HDLP LT FUSE HI HDLP RT FUSE HI/LO BEAM SELECT HLPS ON SIG FLASH TO PASS PK BRAKE SIG LOW REF HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LEFT DAYTIME RUNNING LAMP, LEFT FRONT FOG LAMP RIGHT FRONT FOG LAMP LEFT HIGH BEAM HEAD- LAMP LEFT LOW BEAM HEAD- LAMP LO HDLP LT FUSE LO HDLP RT FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MULTIFUNCTION ACCESSORY SWITCH ORG/ WIRE PARK BRAKE SWITCH (PART OF PARK BRAKE ASSEMBLY) PNK WIRE PNK/WHT WIRE PPL RIGHT DAYTIME RUNNING LAMP RIGHT HIGH BEAM HEAD- LAMP RIGHT LOW BEAM HEAD- LAMP TAN WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE