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Chevrolet Chevy Express H1500 2007 - 2007 ELECTRICAL Fuses & Circuit Breakers - Chevy Express, Cutaway, RV Cutaway & Savana
Chevrolet Chevy Express H1500 2007 - IDENTIFICATION
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See PROGRAMMING AND SETUP article in GENERAL INFORMATION before disconnecting battery.
Chevrolet Chevy Express H1500 2007 - FUSIBLE LINKS
Fusible links are usually located between battery and starter or electrical center. For description and repair procedures, see Fig. 1.
Fig. 1: Chevrolet Chevy Express H1500 2007 - Component Locations - Repairing Fusible Links
Chevrolet Chevy Express H1500 2007 - BODY FUSE BLOCK
NOTE: The body fuse block is located under the driver's seat.
Fig. 2: Chevrolet Chevy Express H1500 2007 - Component Locations - Identifying Body Fuse Block
Chevrolet Chevy Express H1500 2007 Fuse Block - Body
No. Device Rating Description 1 SPARE Fuse - Not Used 2 OSRVM Fuse 10A Outside Rearview Mirror Switch (DE5/DE7) 3 CTSY LAMP/SEO Fuse 15A CTSY LAMP Relay (YF7) 4 LT REAR STOP/TRN Fuse 10A Tail/Stop and Turn Signal Lamp - Left 5 REAR DR LCKS Fuse 10A CARGO UNLCK Relay(Passenger/Cargo w/AU3) 6 RT REAR STOP/TRN Fuse 10A Tail/Stop and Turn Signal Lamp - Right 7 DR LCKS Fuse 10A DRV UNLCK Relay (AU3) 8 STOP/CHMSL Fuse 10A Center High Mounted Stop Lamp (CHMSL) - Passenger/Cargo, Cruise Control Module (CCM) - Gas w/K34, Throttle Actuator Control Module (TCM) - JL4, Transmission Control Module and Engine Control Module (ECM) - Diesel 9 HVAC 1 Fuse 10A HVAC Control Assembly (C49/DE5/DE7), Air Temperature Actuator, HVAC Control Processor, Auxiliary Bower Motor Relays and Air/Mode Actuators (C69) 10 HVAC Fuse 20A HVAC Control Assembly, Vacuum Pump - Diesel 11 BRK Fuse 10A Electronic Brake Control Module (EBCM), High Idle Switch - UF3, Traction Control Switch - JL4 12 HTD MIR/DEFOG Fuse 30A REAR DEFOG Relay (C49) 13 REAR BLWR Fuse 30A Low/Med/High Speed Blower Motor Relays - Auxiliary (C36/C69) or C409 (ENC) 14 DRV PWR TRN MIR Fuse 10A Outside Rearview Mirror - Driver (DE7) or C405 (Cutaway) 15 DR LCK Fuse 20A DR LCKS Relay (AU3) 16 UPFTR PRK LAMPS Fuse 10A C320 - Upfitter Wiring Harness (YF7) 17 - - Not Used 18 LT REAR PRK Fuse 10A Tail/Stop and Turn Signal Lamp - Left and License Lamp 19 PASS TRN MIR Fuse 10A Outside Rearview Mirror - Passenger (DE7) and C405 (Cutaway) 20 RT REAR PRK Fuse 10A Tail/Stop and Turn Signal Lamp - Right 21 TRLR PRK Fuse 15A Trailer Wiring Harness - (UY7) or C405 (Cutaway) 22 FRT PRK Fuse 10A Inflatable Restraint I/P Module Disable Switch, Park/Turn signal Lamps - LF/RF and Marker Lamps - LF/RF 23 RAP Relay - PWR WNDW Circuit Breaker (A31) 24 AUX Relay - Upfitter Wiring Harness - C222 and C321 (YF7) 25 REAR DEFOG Relay - Rear Window Defogger Grid - Left/Right (C49) 26 CTSY LAMP Relay - C320, C405 w/Cutaway (YF7) 27 CARGO UNLCK Relay - Door Latch Assembly - Cargo (Passenger/Cargo w/AU3) 28 DRV UNLCK Relay - Door Latch Assembly - Driver (AU3) 29 PARK LAMP Relay - FRT PRK, LT REAR PRK, RT REAR PRK, TRLR PRK and UPFTR PRK LAMPS Fuses 30 DR/LCKS Relay - Door Latch Assembly - Driver/Passenger/Cargo and Door Lock Actuators - LR/RR (AU3) 31 PASS UNLCK Relay - Door Latch Assembly - Passenger and Door Lock Actuators - LR/RR (AU3) 32 AUX 1 Fuse 50A Upfitter Wiring Harness - C222, C321 (YF7) 60A EBCM (JL4) 33 AUX 2 Fuse 50A AUX Relay (YF7) 20A AUX Relay (SEO) 34 PWR WNDW Circuit Breaker 25A Window Switch - Driver/Passenger (A31)
Chevrolet Chevy Express H1500 2007 - REAR FUSE BLOCK (PRP)
NOTE: The Rear fuse block is attached to the left B-pillar.
Fig. 3: Chevrolet Chevy Express H1500 2007 - Component Locations - Rear Fuse Block (PRP)
Chevrolet Chevy Express H1500 2007 Fuse Block - Rear (PRP) - Top View Connector & Terminal Parts Information
No. Device Rating Description 1 Access Panel Relay - Left Side Rear - Access Panel Latches - Left Side Rear 2 Dome Fluorescent Work Lamps Fuse 10 Dome Fluorescent Work Lamps (UF2) 3 Panel Actuator Fuse 15 Access Panel Relays 4 - - Not Used 5 Access Panel Relay - Left Side Front - Access Panel Latches - Left Side Front 6 Access Panel Relay - Right Side - Access Panel Latches - Right Side
Chevrolet Chevy Express H1500 2007 - UNDERHOOD FUSE BLOCK
NOTE: The Underhood fuse block is in the engine compartment, attached to left front fender.
Chevrolet Chevy Express H1500 2007 Fuse Block - Underhood (Late Production)
No. Device Rating Description 1 RDO BATT Fuse 15A Radio (w/o UL5) or Chime Module (UL5) 2 PCM BATT Fuse 20A Powertrain Control Module (PCM) 3 LT REAR STOP/TRN Fuse 10A Trailer Stop/Turn Relay - Left (UF7) or C405 (Cutaway) 4 RT REAR STOP/TRN Fuse 10A Trailer Stop/Turn Relay - Right (UF7) or C405 (Cutaway) 5 TRLR BCK/UP Fuse 10A Trailer Wiring Harness (UY7) or C405 (Cutaway) 6 IGN 0 Fuse 10A Powertrain Control Module (PCM), Body Control Module (BCM), Automatic Transmission 7 STOP LAMP Fuse 15A Stop Lamp Switch 8 REAR DEF/HTD MIR Fuse 20A HVAC Control Assembly (C49/DE5/DE7) 9 RT DRL/TRN Fuse 10A Park/Turn Signal Lamp - RF 10 LT DRL/TRN Fuse 10A Park/Turn Signal Lamp - LF 11 TBC 4 Fuse 15A Body Control Module (BCM) 12 FUEL PMP Fuse 20A FUEL PMP Relay 13 TRLR Fuse 30A Trailer Wiring Harness (UY7) 14 HAZRD Fuse 15A Turn Signal/Hazard Flasher Module 15 HORN Fuse 15A HORN Relay 16 TBC 3 Fuse 15A Body Control Module (BCM) 17 TRLR STOP/TRN Fuse 15A Trailer Stop/Turn Relay - Left and Trailer Stop/Turn Relay - Right (UY7) 18 TBC 2 Fuse 15A Body Control Module (BCM) 19 TBC Fuse 10A Body Control Module (BCM) 20 RFA Fuse 10A Remote Control Door Lock Receiver (RCDLR) 21 ENG 2 Fuse 10A Even Fuel Injectors and Even Ignition Coils (4.8L/5.3L/6.0L) or Even Fuel Injectors and Ignition Coil (4.3L) 22 IGN E Fuse 10A Stop Lamp Switch and A/C Relay 23 ENG 1 Fuse 15A Odd Fuel Injectors, Odd Ignition Coils, EVAP Canister Purge Solenoid Valve, MAF/IAT Sensor, PNP Switch (4.8L/5.3L/6.0L) or Odd Fuel Injectors, Ignition Control Module, EVAP Canister Purge Solenoid Valve, MAF/IAT Sensor, PNP Switch (4.3L) 24 TBC IGN 1 Fuse 10A Body Control Module (BCM) 25 SPARE Fuse - Not Used 26 ISRVM Fuse 10A Inside Rearview Mirror (DF5) 27 CRNK Fuse 10A Powertrain Control Module (PCM) 28 BTSI Fuse 10A Stop Lamp Switch 29 AUX PWR Fuse 20A Auxiliary Power Outlet 2 30 LTR Fuse 15A Cigar Lighter/Auxiliary Power Outlet 1 and Data Link Connector (DLC) 31 IPC Fuse 10A Instrument Panel Cluster (IPC) 32 A/C Fuse 10A A/C Relay 33 SPARE Fuse - Not Used 34 CNSTR VENT SOL Fuse 10A EVAP Canister Vent Solenoid Valve and SPARE Relay 35 SPARE Fuse - Not Used 36 BTSI BCK/UP Fuse 15A Park/Neutral Position (PNP) Switch 37 AIRBAG Fuse 10A PPS Module and Inflatable Restraint PASSENGER AIR BAG ON/OFF Indicator (Light Duty w/o YF7), Inflatable Restraint I/P Module Disable Switch (Heavy Duty), SDM 38 PCM IGN 1 Fuse 15A Powertrain Control Module (PCM), Cruise Control Module (CCM) - w/o JL4 or Throttle Actuator Control (TAC) Module and Steering Wheel Speed/Position Sensor - JL4 39 O2 SNSR B Fuse 15A HO2S Bank 1 Sensor 2 and Bank 2 Sensor 2 40 O2 SNSR A Fuse 15A HO2S Bank 1 Sensor 1 and Bank 2 Sensor 1 41 WSW Fuse 15A WSW Relay 42 RT-LO BEAM Fuse 10A Headlamp Low Beam - Right (Composite) or Headlamp - Right (Sealed) 43 LT-LO BEAM Fuse 10A Headlamp Low Beam - Left (Composite) or Headlamp - Left (Sealed) 44 LT-HI BEAM Fuse 10A Headlamp High Beam - Left (Composite) or Headlamp - Left (Sealed) 45 RT-HI BEAM Fuse 10A Headlamp High Beam - Right (Composite) or Headlamp - Right (Sealed) 46 TBC ACCY Fuse 10A Body Control Module (BCM) 47 FRT WPR Fuse 25A Windshield Wiper Motor 48 ABS/VSES Fuse 60A Electronic Brake Control Module (EBCM) 49 IGN A Fuse 40A STRTR Relay and Ignition Switch 50 TRLR Fuse 30A Trailer Wiring Harness (UY7) 51 BLWR Fuse 40A Blower Motor Resistor Assembly 52 IGN B Fuse 40A Ignition Switch 53 WSW Relay - Windshield Wiper Motor 54 A/C Relay - A/C Compressor Clutch 55 SPARE Relay - Not Used 56 LAMP-HI BEAM Relay - RT-HI BEAM and LT-HI BEAM Fuses 57 FUEL PMP Relay - Fuel Pump 58 LAMP-LO BEAM Relay - RT-LO BEAM and LT-LO BEAM Fuses 59 HORN Relay - Horn Assembly 63 SPARE Fuse - Not Used 64 SPARE Fuse - Not Used - PWR SEAT Circuit Breaker 30A Seat Adjuster Switch - Driver (AG1) and Seat Adjuster Switch - Passenger (AG2) - STRTR Relay - Starter - SPARE Relay - Not Used - 125A Fuse 125A Fuse Block - Body
Chevrolet Chevy Express H1500 2007 Fuse Block - Underhood - (Diesel)
No. Device Rating Description 1 RDO BATT Fuse 15A Radio (w/o UL5) or Chime Module (UL5) 2 FOH/ECM/TCM BATT Fuse 20A Engine Control Module (ECM), Transmission Control Module (TCM), Coolant Heater (K08) 3 LT REAR STOP/TRN Fuse 10A Trailer Stop/Turn Relay - Left (UY7) or C405 (Cutaway) 4 RT REAR STOP/TRN Fuse 10A Trailer Stop/Turn Relay - Right (UY7) or C405 (Cutaway) 5 TRLR BCK/UP Fuse 10A Trailer Wiring Harness (UY7) or C405 (Cutaway) 6 IGN 0 Fuse 10A Engine Control Module (ECM), Body Control Module (BCM), Automatic Transmission, Glow Plug Control Module (GPCM) 7 STOP LAMP Fuse 15A Stop Lamp Switch 8 REAR DEF/HTD MIR Fuse 20A HVAC Control Assembly (C49/DE5/DE7) 9 RT DRL/TRN Fuse 10A Park/Turn Signal Lamp - RF 10 LT DRL/TRN Fuse 10A Park/Turn Signal Lamp - LF 11 TBC 4 Fuse 15A Body Control Module (BCM) 12 FUEL PMP Fuse 15A FUEL PMP Relay 13 TRLR Fuse 30A Trailer Wiring Harness (UY7) 14 HAZRD Fuse 15A Turn Signal/Hazard Flasher Module 15 HORN Fuse 15A HORN Relay 16 TBC 3 Fuse 15A Body Control Module (BCM) 17 TRLR STOP/TRN Fuse 15A Trailer Stop/Turn Relay - Left and Trailer Stop/Turn Relay - Right (UY7) 18 TBC 2 Fuse 15A Body Control Module (BCM) 19 TBC Fuse 10A Body Control Module (BCM) 20 RFA Fuse 10A Remote Control Door Lock Receiver (RCDLR) 21 SPARE Fuse - Not Used 22 IGN E Fuse 10A Stop Lamp Switch and A/C Relay 23 ENG 1 Fuse 10A MAF/IAT Sensor and PNP Switch 24 TBC IGN 1 Fuse 10A Body Control Module (BCM) 25 FUEL HTR Fuse 20A Fuel Heater 26 ISRVM Fuse 10A Inside Rearview Mirror (DF5) 27 CRNK Fuse 10A Engine Control Module (ECM) 28 BTSI Fuse 10A Stop Lamp Switch 29 AUX PWR Fuse 20A Auxiliary Power Outlet 2 30 LTR Fuse 15A Cigar Lighter/Auxiliary Power Outlet 1 and Data Link Connector (DLC) 31 IPC Fuse 10A Instrument Panel Cluster (IPC) 32 A/C Fuse 10A A/C Relay 33 ECM Fuse 30A ECM Relay 34 REAR FOG LMPS Fuse 10A REAR FOG LMPS Relay (T79) 35 FAN CLTCH Fuse 10A Cooling Fan Relay (LMM) 36 BTSI BCK/UP Fuse 15A Park/Neutral Position (PNP) Switch 37 AIRBAG Fuse 10A Inflatable Restraint I/P Module Disable Switch and SDM 38 ECM/TCM/GLOW PLUG CNTRL MDL IGN 1 Fuse 10A Engine Control Module (ECM), Glow Plug Control Module (GPCM), Transmission Control Module (TCM) 39 SPARE Fuse - Not Used 40 SPARE Fuse - Not Used 41 WSW Fuse 15A WSW Relay 42 RT-LO BEAM Fuse 10A Headlamp Low Beam Right (Composite) or Headlamp - Right (Sealed) 43 LT-LO BEAM Fuse 10A Headlamp Low Beam Left (Composite) or Headlamp - Left (Sealed) 44 LT-HI BEAM Fuse 10A Headlamp High Beam Left (Composite) or Headlamp - Left (Sealed) 45 RT-HI BEAM Fuse 10A Headlamp High Beam Right (Composite) or Headlamp - Right (Sealed) 46 TBC/TCM ACCY Fuse 10A Body Control Module (BCM) and Transmission Control Module (TCM) 47 FRT WPR Fuse 25A Windshield Wiper Motor 48 ABS/VSES Fuse 60A Electronic Brake Control Module (EBCM) 49 IGN A Fuse 40A STRTR Relay and Ignition Switch 50 TRLR Fuse 30A Trailer Wiring Harness (UY7) 51 BLWR Fuse 40A Blower Motor Resistor Assembly 52 IGN B Fuse 40A Ignition Switch 53 WSW Relay - Windshield Wiper Motor 54 A/C Relay - A/C Compressor Clutch 55 REAR FOG LMPS Relay - Rear Fog Lamps (T79) 56 LAMP-HI BEAM Relay - RT-HI BEAM and LT-HI BEAM Fuses 57 FUEL PMP Relay - Fuel Prime Pump 58 LAMP-LO BEAM Relay - RT-LO BEAM and LT-LO BEAM Fuses 59 HORN Relay - Horn Assembly 63 ECM ACT Fuse 10A Engine Control Module (ECM) 64 SPARE Fuse - Not Used - PWR SEAT Circuit Breaker 30A Seat Adjuster Switch - Driver (AG1) and Seat Adjuster Switch - Passenger (AG2) - STRTR Relay - Starter - ECM Relay - ECM ACT Fuse and Engine Control Module (ECM) - 125A Fuse 125A Fuse Block - Body