Electrical Center Identification Views. Chevrolet Chevy C Cab/Chassis HD (GMT 400) 2002

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2002 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Electrical Center Identification Views

Table 1:	Fuse Applications-IP Fuse Block
Table 2:	Fuse Applications-Underhood Fuse Block

Convenience Center


(1)	Connector C1 - Cross Body Harness
(2)	Connector C4 - Overspeed Alarm UD4
(3)	Alarm Module
(4)	Turn/Hazard Flasher Module
(5)	DRL Relay
(6)	Connector C2 - 5G4, 5X7, or 5Y0
(7)	Connector C4 - 5G4, 5X7, or 5Y0
(8)	Connector C5 - 9L4

IP Fuse Block


(1)	STOP/HAZ Fuse 20A
(2)	Not Used
(3)	CTSY Fuse 20A
(4)	GAGES Fuse 10A
(5)	Not Used
(6)	CRUISE Fuse 10A
(7)	AUX PWR Fuse 25A
(8)	CRANK Fuse 10A
(9)	PARK LPS Fuse 20A
(10)	Not Used
(11)	WIPER Fuse 25A
(12)	HTR-A/C Fuse 25A
(13)	CIG LTR Fuse 20A
(14)	ILLUM Fuse 10A
(15)	DRL-FOG Fuse 20A
(16)	TURN-B/U Fuse 20A
(17)	RADIO Fuse 10A
(18)	BRAKE-ABS MDL Fuse 10A
(19)	RADIO BATT Fuse 15A
(20)	TRANS Fuse 10A
(21)	PASSLOCK/EVO MDL Fuse 10A
(22)	Not Used
(23)	Not Used
(24)	SEO TP-2 Fuse 20A
(a)	PWR ACCY Circuit Breaker 20A
(b)	PWR WDOS Circuit Breaker 20A

Fuse Applications-IP Fuse Block

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 Gages 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

Underhood Fuse Block


(a)	Auxiliary Power Stud A
(b)	Auxiliary Power Stud B
(1)	Battery Stud
(2)	AUX B Fuse 30A
(3)	LIGHTING Fuse 50A
(4)	AUX A Fuse 30A
(5)	BATT Fuse 50A
(6)	Spare 30A Fuse
(7)	Fuse Puller
(8)	Spare 20A Fuse
(9)	Spare 10A Fuse
(10)	IGN A Fuse 40A
(11)	ECM- B Fuse 20A
(12)	HORN Fuse 20A
(13)	A/C Fuse 10A
(14)	IGN B Fuse 50A
(15)	PTO Fuse 15A
(16)	ABS Fuse 60A
(17)	IGN-E Fuse 10A
(18)	ECM-I Fuse 10A
(19)	ENG-I Fuse 20A
(20)	BLOWER Fuse 50A
(21)	STOP-HAZ Fuse 30A
(22)	DIODE
(23)	Horn Relay
(24)	Fuel Pump Relay
(25)	A/C Compressor Relay
(26)	Starter Relay
(27)	Brake Lamp Relay

Fuse Applications-Underhood Fuse Block

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, Gages, 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