Chevrolet C3500 HD 2002 - 2001-02 ELECTRICAL Fuses & Circuit Breakers - C3500HD

Chevrolet C3500 HD 2002 - 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 COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

Chevrolet C3500 HD 2002 - INSTRUMENT PANEL FUSE BLOCK

NOTE:

Instrument panel fuse block is located on the right side of the instrument panel. See Fig. 1.

Fig. 1: Chevrolet C3500 HD 2002 - Component Locations - Locating Instrument Panel Fuse Block

Fig. 2: Chevrolet C3500 HD 2002 - Component Locations - Identifying Instrument Panel Fuse Block Components

Chevrolet C3500 HD 2002 Instrument Panel Fuse Block Components

Fuse/Circuit Breaker	Rating	Description
STOP/HAZ Fuse #1	20A	Audio Alarm Module, Flasher, Turn/Hazard Lamps, Stop Lamps Relay, Stop Lamp Switch
Fuse #2	--	Not Used
CTSY Fuse #3	20A	Courtesy Lamps, Dome/Reading Lamps, IP Compartment Lamp, Interior Lamp Control Module
GAUGES Fuse #4	10A	Audio Alarm Module, DRL Module and Relay, EVO/Passlock? Module, Headlamps Switch, IP Cluster, Low Coolant Indicator Module, Keyless Entry Module, Interior Lamp Control Module
Fuse #5	--	Not Used
CRUISE Fuse #6	10A	Cruise Control Switch, PTO Switch
AUX PWR Fuse #7	25A	Auxiliary Power Outlets, DLC
CRANK Fuse #8	10A	Starter Relay - through PNP Switch or Clutch Switch
PARK LPS Fuse #9	20A	Ashtray Lamp, Power Window and Door Switch Illumination, Front Side Markers, Headlamps Switch Illumination, Park Lamps, Roof Markers, Tail Lamps, ILLUM Fuse #14
Fuse #10	--	Not Used
WIPER Fuse #11	25A	Washer Pump, Wiper Motor
HTR-A/C Fuse #12	25A	Blower Switch, HVAC Control Module, and Mode Door, Temperature Door, and Recirc Door Motors
CIG LTR Fuse #13	20A	Cigar Lighter, Power Door Lock Switches, Power Lumbar Seat Switches
ILLUM Fuse #14	10A	Audio Alarm Module, Cluster, HVAC Controls, IP Switches, Radio Illumination
DRL/FOG Fuse #15	20A	DRL Relay
TURN-B/U Fuse #16	20A	Back-up Lamps, Turn Lamps
RADIO Fuse #17	10A	Radio (IGN)
BRAKE Fuse #18	10A	Antilock Brake System, TCC/Stop Lamp Switch, Clutch Pedal Switch - Cruise Control Release
RADIO, BATT Fuse #19	15A	Radio - Battery
TRANS Fuse #20	10A	Automatic Transmission, Check Gauge. Indicator Control, SPEEDO, TACH, PRNDL Display
PASSLOCK/EVOMDL Fuse #21	10A	EVO/Passlock? Module
Fuse #22	--	Not Used
Fuse #23	--	Not Used
SEO TP-2 Fuse #24	20A	Aux BATT Relay (8B0/8Y8)
PWR ACCY Circuit Breaker A	20A	Power Seat Adjustor, Power Door Lock Switches, Keyless Entry Module (AU0), and Door Lock Relay (AU0)
PWR WDOS Circuit Breaker B	30A	Power Windows

Chevrolet C3500 HD 2002 - UNDERHOOD FUSE BLOCK

NOTE:

Underhood fuse block is located in the left rear side of the engine compartment, on the fender. See Fig. 3.

Fig. 3: Chevrolet C3500 HD 2002 - Component Locations - Locating Underhood Fuse Block

Fig. 4: Chevrolet C3500 HD 2002 - Component Locations - Identifying Underhood Fuse Block Components

Chevrolet C3500 HD 2002 Underhood Fuse Block Components

Fuse/Circuit Breaker	Rating	Description
A/C Fuse	10A	A/C Compressor Clutch
ABS Fuse	60A	EBCM - Motor and Solenoid Power
AUX A Fuse	30A	Stud A
AUX B Fuse	30A	Stud B
BATT Fuse	50A	STOP-HAZ, AUX PWR, CIG LTR, and RADIO BATT Fuses, PWR ACCY Circuit Breaker A
BLOWER Fuse	50A	HVAC Blower Motor - high speed
ECM-B Fuse	20A	Fuel Pump - L65, through oil pressure sensor switch, PCM
ECM-I Fuse (L18)	20A	PCM, Fuel Injectors, and Ignition Coils
ECM I Fuse (L65)	20A	PCM, Engine Shutoff Solenoid, and Fuel Solenoid Driver
ENG-I Fuse (L18)	20A	Air Meter and EVAP Purge Valve
ENG-I Fuse (L65)	20A	Wastegate Solenoid, Glow Plug Relay, Water-in-fuel Sensor, and Fuel Heater
HORN Fuse	20A	Underhood Lamp, Horn, and Horn Relay
IGN A Fuse	40A	Starter Motor and Switched ignition fuses: Crank, Trans, Gauge., Turn-B/U, ENG-I, ECM-I, and IGN-E
IGN B Fuse	50A	Switched Ignition Fuses: Wiper, Radio, and Pwr Window
IGN E Fuse (L18)	10A	Throttle Actuator Control Module (L18), Fuel Balance Module and Fuel Balance Pump - Dual Tanks, and A/C Compressor Relay
LIGHTING Fuse	50A	Headlights and Hot at All Times Fuses: Passlock/EVO Module, Courtesy, Park Lamps, and DRL-FOG
PTO Fuse	15A	PTO - Upfitter Installed
STOP-HAZ Fuse	30A	Stop Lamps

Chevrolet C3500 HD 2002 - CONVENIENCE CENTER

NOTE:

Convenience center is located under the left side of the instrument panel, on the bulkhead. See Fig. 5.

Fig. 5: Chevrolet C3500 HD 2002 - Component Locations - Locating Convenience Center

Fig. 6: Chevrolet C3500 HD 2002 - Component Locations - Identifying Convenience Center Components