CHEVROLET SILVERADO 2004 1.G Owners Manual

Fuses Usage
IGN 3 Ignition, Heated Seats
4WDFour-Wheel Drive System,
Auxiliary Battery
HTR A/C Climate Control System
LOCK (Relay)Power Door Lock Relay
(Lock Function)
HVAC 1 Climate Control System
L DOORDriver’s Door Harness
Connection
CRUISECruise Control, Power Take
Off (PTO)
UNLOCK (Relay)Power Door Lock Relay
(Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake System
DRIVER UNLOCKPower Door Lock
Relay (Driver’s Door
Unlock Function)
IGN 0 TCM
TBC IGN 0 Truck Body Controller
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop TrailerFuses Usage
LT TRNLeft Turn Signals
and Sidemarkers
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals
and Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2 Not Used
LOCKS Power Door Lock System
ECC Not Used
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Power Windows
Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
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Center Instrument Panel Fuse Block
The center instrument panel utility block is located
underneath the instrument panel, to the left of the
steering column.
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Uptter (Not Used)
SL RIDERide Control
Harness Connection
HDLR 2 Headliner Wiring Connector
Device Usage
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEATDriver and Passenger Seat
Module Circuit Breaker
CB RT DOORRight Power Windows
Circuit Breaker
SPARE Not Used
INFOInfotainment
Harness Connection
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Underhood Fuse BlockThe underhood fuse block in the engine compartment
on the driver’s side of the vehicle near the battery.
Lift the cover for access to the fuse/relay block.
To remove fuses hold the end of the fuse between your
thumb and index nger and pull straight out.
SeeEngine Compartment Overview on page 5-14for
more information on its location.
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5-128

*1— Gasoline Engine and Diesel Engine.
*2— Gasoline Engine; ECMRPV — Diesel Engine.
*3— Gasoline Engine; FUEL HT — Diesel Engine.
*4— Gasoline Engine; ECM I — Diesel Engine.
*5— IGN/EDU
Fuses Usage
GLOW PLUGDiesel Glow Plugs and Intake
Air Heater
CUST FEED Gasoline Accessory Power
STUD #1Auxiliary Power (Single
Battery and Diesels Only)/
Dual Battery (TP2) Do not
install fuse.
MBECMid Bussed Electrical Center
Power Feed, Front Seats,
Right Doors
BLOWER Front Climate Control Fan
LBECLeft Bussed Electrical
Center, Door Modules, Door
Locks, Auxiliary Power
Outlet — Rear Cargo Area
and Instrument Panel
Fuses Usage
STUD 2Accessory Power/Trailer
Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1Left Bussed Electrical Center,
Left Doors, Truck Body
Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARKRight Rear Parking and
Sidemarker Lamps
LR PARKLeft Rear Parking and
Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATTTruck Body Controller
Battery Feed
SUNROOF Sunroof
SEO B2 Off-Road Lamps
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Fuses Usage
4WSVent Solenoid
Canister/Quadrasteer
Module Power
RR HVAC Not Used
AUX PWRAuxiliary Power
Outlet — Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake Controller
IGN EInstrument Panel Cluster, Air
Conditioning Relay, Turn
Signal/Hazard Switch,
Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM BPowertrain Control Module,
Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock
Control System
RR DEFOG Rear Window DefoggerFuses Usage
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
02B Oxygen Sensors
SIRSupplemental Inatable
Restraint System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRLDaytime Running
Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DICInstrument Panel Cluster/
Driver Information Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
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Fuses Usage
A/C COMPAir Conditioning Compressor
Relay
RR WPR Not Used
RADIO Audio System
SEO B1Mid Bussed Electrical Center,
Rear Heated Seats,
HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSIBrake Transmission Shift
Interlock System
CRANK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog LampsFuses Usage
HORN Horn Relay
W/S WASHWindshield Washer
Pump Relay
W/S WASH Windshield Washer Pump
INFOOnStar/Rear Seat
Entertainment
RADIO AMP Radio Amplier
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
5-131

Capacities and Specications
Please refer toRecommended Fluids and Lubricants on page 6-13for more information. All capacities are
approximate. When adding see the refrigerant charge label under the hood for charge capacity information
and requirements.
Capacities and Specications
Engine VIN Code Spark Plug Gap
VORTEC™ 4300 V6 W 0.060 inches (1.52 mm)
VORTEC™ 4800 V8 V 0.040 inches (1.01 mm)
VORTEC™ 5300 V8 T 0.040 inches (1.01 mm)
VORTEC™ 6000 V8 U 0.040 inches (1.01 mm)
VORTEC™ 6000 V8 N 0.040 inches (1.01 mm)
VORTEC™ 8100 V8 G 0.060 inches (1.52 mm)
Wheels and Tires
Model Description Torque
C/K 1500 & C/K 2500 6 Bolts (14 mm) 140 lb ft (190Y)
C/K 3500 8 bolts (14 mm) 140 lb ft (190Y)
Tire PressureSee the Certication/Tire label on the rear edge of the
driver’s door or the incomplete vehicle document in the cab.
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Capacities
ApplicationCapacities
English Metric
Cooling System
After rell, the level must be rechecked. See “Cooling System” in the Index.
VORTEC™ 4300 V6 Automatic Transmission 15.0 quarts 14.0 L
VORTEC™ 4300 V6 Manual Transmission 15.0 quarts 14.0 L
VORTEC™ 4800 V8 Automatic Transmission 15.0 quarts 14.0 L
VORTEC™ 4800 V8 Manual Transmission 15.5 quarts 15.0 L
VORTEC™ 5300 V8 Automatic Transmission 15.0 quarts 14.0 L
VORTEC™ 6000 V8 Automatic Transmission 13.0 quarts 13.0 L
VORTEC™ 6000 V8* Automatic Transmission 13.0 quarts 13.0 L
VORTEC™ 6000 V8 Manual Transmission 16.0 quarts 16.0 L
VORTEC™ 6000 V8* Manual Transmission 16.0 quarts 16.0 L
VORTEC™ 8100 V8 Manual Transmission 27.0 quarts 25.5 L
VORTEC™ 8100 V8 Automatic Transmission 27.0 quarts 25.5 L
* Vehicles equipped with the optional engine oil cooler.
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Capacities (cont’d)
ApplicationCapacities
English Metric
Engine Oil With Filter
After rell, the level must be rechecked. Add enough engine oil so that the uid is within the proper operating
range. SeeEngine Oil on page 5-20.
VORTEC™ 4300 V6 (Vin W) 4.5 quarts 4.3 L
VORTEC™ 4800 V8 (Vin V) 6.0 quarts 5.7 L
VORTEC™ 5300 V8 (Vin T) 6.0 quarts 5.7 L
VORTEC™ 6000 V8 (Vin U) 6.0 quarts 5.7 L
VORTEC™ 6000 V8 (Vin N) 6.0 quarts 5.7 L
VORTEC™ 8100 V8 (Vin G) 6.5 quarts 6.1 L
Fuel Tank
Short Bed 26.0 gallons 98 L
1500 Crew Cab 26.0 gallons 98 L
Long Bed 36.0 gallons 136 L
Chassis Cab (Pickup Box Delete) 36.0 gallons 136 L
Chassis Cab 350027.0 gallons
23.0 gallons102 L (front)
87 L (rear)
Chassis Cab 3500 (California)27.0 gallons
23.0 gallons102 L (front)
87 L (rear)
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