for Chevrolet Silverado (GMT800) an initial generation 1999, 2000,2001, 2002, 2003, 2004, 2005, 2007 design year.
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Chevrolet Silverado 1500,Chevrolet Silverado 2500.
Cigarette lighter fuse – (fuse box in engine compartment, fuse №46/15A – CIGAR Fuse (1999-2002) Cigarette lighter fuse – (fuse box in engine compartment, fuse 15A – CIG LTR Fuse (2003-2007) Auxiliary strength OutletsFuse №40/20A –AUX PWR inengine compartment(1999-2002) Accessory power Outlets, Auxiliary power Outlets – fuseAUX PWR Fuse 20A in engine compartment (2003-2007) |
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Fuse box in engine compartment
Fuse crate in passenger compartment
Fuse box in engine compartment.
fuse crate location.
The underhood fuse block in the engine compartment on the driver’s next of the auto near the battery. Lift the sheathe for accessibility to the fuse/relay block.

fuse crate diagram 1999.

Assignment of the fuses (1999).
STUD 1 Fuse #1 | 40A | Trailer Wiring |
ABS Fuse #2 | 60A | Brake press Modulator Valve (Pump) |
IGN A Fuse #3 | 40A | Starter Relay, Ignition Switch-IGN 1, TURN. SEO IGN Fuses |
waiting Fuse #4 | Э0А | second Air Injection Reaction Pump |
lab Fuse #S | 50A | Bap Relay, MIR/LOCK DR l.OCK Fuses and SEATS Circuit Breaker |
IGN В Fuse #6 | 50A | Ignition Switch-Rap Relay, Wiper/Washer and SEO ACCY Fuses |
rap 2 Fuse #7 | – | no Used |
STUD 2 Fuse #8 | 30A | body Wiring Provisions, Trailer Wiring |
TRLR TRN9 | 10A | Trailer Turn and also Stop |
TRL LTRN Fuse #10 | 10A | Trailer Turn |
INJ В Fuse #11 | 15A | Fuel Injectors 2, 4, 6, and 8, Ignition Coils, Engine Shutoff Solenoid and also Sensor-Diesel |
PARK LP Fuse #12 | 30A | Park lamp Relay, Headlamp and Panel Dimmer Switch-Park Lamps |
FRT HVAC Fuse #13 | 30A | Blower motor (High Speed) |
stop LPS Fuse #14 | 20A | VEH STOP and CHMSL Fuses, Trailer Wiring (LH, RH Turn and also Stop Lamp) |
ЕСИ 1 Fuse #15 | 10A | car Control Module (VCM)Z Powertrain manage Module (PCM)- (from IGN 1 Relay) |
CHMSL Fuse #16 | 10A | center High mounted Stop Lamp |
VEH stop Fuse #17 | 10A | auto Stop Lamps |
TRL B/U Fuse #19 | 10A | Trailer back-up Lamps |
inja Fuse #20 | 15A | Fuel injectors 1, 3, 5, and 7, Ignition Coils, glow Plug Module, Fuel Heat, Water in Fuel (WIF) Sensor, Wastegate Solenoid |
RR HVAC Fuse #21 | — | no Used |
VEH B/U Fuse #22 | 15A | vehicle Backup Lamps |
ENG 1 Fuse #23 | 10A | mass Air circulation (MAF) Sensor, Camshatt position (CMP) Sensor, Evaporator emission (EVAP) Canister Vent Valve, Evaporative emission (EVAP) С Purge Valve |
etc Fuse #24 | — | no Used |
1GN E Fuse #25 | 10A | A/С Compressor Clutch Relay, DRL Relay, rear Defog Relay. Secondary Injection Reaction Pump Relay |
B/U LP Fuse #26 | 25A | backup Lamps, BTSi |
АТС Fuse #27 | 20A | automatic Transfer case (АТС) regulate Module, Encoder Motor |
RR PRK Fuse #28 | 10A | RR Park Lamps |
ECM В Fuse #29 | 20A | Fuel Pump Relay, automobile Control Module (VCM)/Powertrain control Module (PCM) |
02 A Fuse #30 | 15A | boil Oxygen Sensors |
02 В Fuse #31 | 15A | boil Oxygen Sensors |
LR PRK Fuse #32 | 10A | LR Park Lamps |
RR DEFOG Fuse #33 | 30A | Rear window Defogger |
TRL PRK Fuse #34 | 15A | Trailer Park |
element #35 | — | Fuel Pump prime Port |
RT HDLP Fuse #36 | 15A | RH Headlamps (Hi and Lew) |
HTD MIR Fuse #37 | 10A | Heated outside Mirrors |
LT HDLP Fuse #38 | 16A | LH Headlamps {Hi and also Low) |
A/С Fuse #39 | 10A | A/С Compressor Clutch |
AUX PWR Fuse #40 | 20A | Auxiliary strength Outlets |
SEO 2 Fuse #41 | 3GA | Roof Beacon and Relay, Full function Seat – LH and RH |
SEO 1 Fuse #42 | 15A | Rool Beacon Switch, Cellular phone Wiring Provisions |
DRL Fuse #43 | 10A | Daytime running Lamps (DRL) |
FOG LPS Fuse #44 | 15A | Fog Lamps |
RADIO Fuse #45 | 15A | Radio and also Instrument Cluster |
CIGAR Fuse #46 | 15A | Data connect Connector, Cigar Lighter |
RT revolve Fuse #47 | 10A | RH turn Signals |
BTSI Fuse #46 | 10A | Brake Transmission change Interlock |
LT rotate Fuse #49 | 10A | LH revolve Signals |
FR PRK Fuse #50 | 10A | front Park Lamps |
W/W Pump Fuss #51 | 15A | Windsheiid Washer Pump |
IGN С Fuse #52 | 20A | Ignition Switch, Crank, IGN 0 Fuses |
RDO AMP Fuse #53 | — | not Used |
HAZ LP Fuse #54 | 20A | peril Lamps |
EXP LPS Fuse #55 | 10A | no Used |
HORN Fuse #56 | 15A | Horn/Horn Relay |
CTSY LP Fuse #57 | 15A | Inadvertent power Relay (Courtesy Lamps) |
RR WPR Fuse #58 | — | no Used |
TBC Fuse #59 | 10A | Body control Module |
fuse box diagram 2000-2002.

Assignment of the fuses (2000-2002).
STUD 1 Fuse #1 | 40A | Trailer Wiring / automatically Level control Compressor |
ABS Fuse #2 | 60A | Brake pressure Modulator Valve (Pump) |
IGN A Fuse #3 | 40A | Starter Relay, Ignition Switch-IGN 1, TURN, SEO IGN Fuses |
waiting Fuse #4 | 30A | secondary Air Injection Reaction Pump |
rap Fuse #5 | 50A | rap Relay, MIR/LOCK DR LOCK Fuses and also SEATS Circuit Breaker |
IGN В Fuse #6 | 50A | Ignition Switch-Rap Reiay, Wiper/Washer and SEO ACCY Fuses |
rap 2 Fuse #7 | 50A | Power window RF switch, Power home window RR Switch, strength Sunroof |
STUD 2 Fuse #8 | 30A | human body Wiring Provisions, Trailer Wiring |
TRLRTRN9 | 10A | Trailer Turn and Stop |
TRL l TRN Fuse #10 | 10A | Trailer Turn |
INJ В Fuse #11 | 15A | Fuel Injectors 2, 4. 6, and also 8, Ignition Coils, Engine Shutofl Solenoid and Sensor-Diesel |
PARK LP Fuse #12 | 30A | Park lamp Relay, Headlamp and also Panel Dimmer Switch-Park Lamps |
FRT HVAC Fuse #13 | 30A | Blower engine (High Speed) |
avoid LPS Fuse #14 | 20A | VEH STOP and CHMSL Fuses, Trailer Winng (LH, RH Turn and Stop Lamp) |
ECM 1 Fuse #15 | 10A | car Control Module (VCM)/Powertrain control Module (PCM)- (from IGN 1 Relay) |
CHMSL Fuse #16 | 10A | center High mounted Stop Lamp |
VEH avoid Fuse #17 | 10A | automobile Stop Lamps |
TRL B/U Fuse #19 | 10A | Trailer backup Lamps |
INJA Fuse #20 | 15A | Fuel Injectors 1, 3, 5, and also 7, Ignition Coils, glow Plug Module, Fuel Heat, Water in Fuel (WIF) Sensor, Wastegate Solenoid |
RR HVAC Fuse #21 | 30A | behind Heater, rear Blower Relays |
VEH B/U Fuse #22 | 15A | automobile Backup Lamps |
ENG 1 Fuss #23 | 10A | fixed Air flow (MAF) Sensor, Camshaft place (CMP) Sensor, Evaporator emission (EVAP) Canister Verst Valve, Evaporative emissions EVAP С Purge Vaive |
etc Fuse #24 | 15A | electronic Throttle manage (ETC) |
IGN E Fuse #25 | 10A | A/С Compressor Clutch Relay, DRL ReSay, rear Defog Relay, second Injection Reaction Pump Relay |
B/U LP Fuse #26 | 25A | backup Lamps, BTSI |
АТС Fuse #27 | 20A | automatically Transfer case (АТС) control Module, Encoder Motor |
RTD Fuse #28 | 30A | genuine Time Damping (RTD) |
RR PRK Fuse #29 | 10A | RR Park Lamps |
ECM В Fuse #30 | 20A | Fuel Pump Relay, car Control Module (VCM)/Powertrain manage Module (PCM) |
02 A Fuse #31 | 15A | boil Oxygen Sensors |
02 В Fuse #32 | 15A | cook Oxygen Sensors |
LR PRK Fuse #33 | 10A | LR Park Lamps |
RR DEFOG Fuse #34 | 30A | Rear window Defogger |
TRL PRK Fuse #35 | 15A | Trailer Park |
element #36 | — | Fuel Pump element Port |
RT HDLP Fuse #37 | 15A | RH Headlamps (Hi and Low) |
HTD MIR Fuse #38 | 10A | Heated outside Mirrors |
LT HDLP Fuse «39 | 15A | LH Headlamps (Hi and also Low) |
A/С Fuse #40 | 10A | A/С Compressor Clutch |
AUX PWR Fuse #41 | 20A | Auxiliary power Outlets |
SEO 2 Fuse #42 | 30A | Roof Beacon and also Relay, Full attribute Seat – LH and RH |
SEO 1 Fuse #43 | 15A | Roof Beacon Switch, Cellular phone Wiring Provisions |
DRL Fuse #44' | 10A | Daytime running Lamps (DRL) |
FOG LPS Fuse #45 | 15A | Fog Lamps |
RADIO Fuse #46 | 15A | Radio and also Instrument Cluster |
CIGAR Fuse #47 | 15A | Data link Connector, Cigar Lighter |
RT rotate Fuse #48 | 10A | RH rotate Signals |
ATSLC Fuse #49 | 10A | automatically Transmission change Lock regulate Solenoid |
LT revolve Fuse #50 | 10A | LH turn Signals |
FR PRK Fuse #51 | 10A | former Park Lamps |
W/W Pump Fuse #52 | 15A | Windsheild Washer Pump |
IGN С Fuse #53 | 20A | Ignition Switch, Crank, IGN 0 Fuses |
RDO AMP Fuse #54 | 25A | Radio/Audio equipment Amplifier |
HAZ LP Fuse #55 | 20A | hazard Lamps |
EXP LPS Fuse #56 | 10A | Not used – |
HORN Fuse #57 | 15A | Horn/Horn Relay |
CTSY LP Fuse #58 | 15A | Inadvertent strength Relay (Courtesy Lamps) |
RR WPR Fuse #59 | 25A | RR Wiper Washer, RR Wiper Motor |
TBC Fuse #60 | 10A | Body regulate Module |
fuse box diagram (2003-2007).


legend.
Device | Rating | Description |
STUD 1 Fuse | – | Trailer Wiring, assistant Battery Relay and also Battery ideal (TP2), AUX HTR PMP Fuse (HP2), ESCM Fuse (HP2), HCM-B Fuse (HP2) and TRANS PUMP Fuse (HP2) |
MBEC 1 Fuse | 50A | seat CB, RT DOOR CB |
BLWR Fuse | 40A | Blower Motor |
LBEC 2 Fuse | 50A | LOCKS Fuse, DDM Fuse, PDM Fuse, ECC Fuse, AUX PWR 2 Fuse |
STUD 2 Fuse | 30A | Trailer Wiring, Emergency car Roof lamp Relay |
ABS Fuse | 60A | digital Brake manage Module (EBCM) |
VSES/ECAS Fuse | 60A | electronic Brake control Module (EBCM) |
IGN A Fuse | 40A | Ignition move RUN, START, RUN/START/ACCY, STARTER Relay |
IGN B Fuse | 40A | Ignition move RUN/ACC, RUN/START |
LBEC 1 Fuse | 50A | speed Fuse, TBC 2A Fuse, TBC 2B Fuse, TBC 2C Fuse, LT DOORS Fuse |
TRL PARK Fuse | 15A | Trailer Wiring |
RR PARK Fuse | 10A | Exterior Lamps-Right Rear, Clearance Lamps-Right |
LR PARK Fuse | 10A | Exterior Lamps-Left Rear, Clearance Lamps-Left |
PARK LP Relay | – | TRL PARK Fuse, LR PARK Fuse, RR PARK Fuse, FRT PARK Fuse, INT PARK Fuse DRL Relay (Export) |
STRTR Relay | – | Starter |
INTPARK Fuse | 10A | strength Take-Off (PTO) Switch, blow up Restraint I/P Module Disable Switch |
prevent LP Fuse | 25A | protect against Lamp Switch |
TBC BATT Fuse | 10A | Body manage Module (BCM), PASS-Key Module |
S/ROOF Fuse | 25A | Sunroof Module Control |
SEO B2 Fuse | 30A | Roof Beacon Relay |
4WS Fuse | 15A | rear Wheel Steering control Module, Evaporative emission (EVAP) Canister Vent Solenoid |
RR HVAC | 30A | behind Auxiliary |
AUX PWR Fuse | 20A | Accessory strength Outlets, Auxiliary strength Outlets |
PCM 1 Fuse | 15A | Powertrain manage Module (PCM), fixed Air flow (MAF) Sensor, Evaporative emission (EVAP) Canister Purge Solenoid, Fuel ingredient Sensor, secondary Fuel Pump Relay |
ETC/ECM Fuse | 15A | throttle Actuator manage (TAC) |
INJ 1 Fuse (Gas)/ECMRPCV Fuse (Diesel) #2 | 15A | Fuel Injectors-Odd-Numbered, Ignition Coils-Odd- Numbered (Gas) |
15A | Engine control Module (ECM) (Diesel) | |
INJ 2 Fuse (Gas)/EDU Fuse (Diesel) #1 | 15A | Fuel Injectors-Even-Numbered, Ignition Coils- Even-Numbered (Gas) |
25A | Fuel Injector manage Module (FICM) (Diesel) |
LO HDLP-LT Fuse | 10A | Headlamp-Low Beam-Left |
BTSI Fuse | 10A | protect against Lamp Switch |
CRNK Fuse | 10A | Powertrain control Module (PCM)-Gas, Engine control Module (ECM)-Diesel |
LO HDLP-RT Fuse | 25A | Headlamp-Low Beam-Right |
FOG LP Relay | – | Fog Lamp-RF, Fog Lamp-LF |
FOG LP Fuse | 15A | FOG LP Relay |
HORN Relay | – | HORN Fuse |
W/S wash Relay | – | Windshield Washer liquid Pump |
W/S wash Fuse | 15A | W/S wash Relay |
info Fuse | 15A | automobile Communication interface Module (VCIM), behind Seat entertain (RSE) Assembly, remote Playback Device-CD Player |
RADIO AMP Fuse | 30A | Audio Amplifier |
RH HID Fuse | 20A | no Used |
HORN Fuse | 15A | Horn-Left, Horn-Right |
EAP Fuse | 15A | no Used |
TREC Fuse | 30A | Transfer instance Encoder Motor, transport Case transition Control Module |
SBA Fuse | 15A | Supplemental Brake aid (SBA) |
IGN 1 Relay (Gas)/EDU Relay (Diesel) #5 | – | SBA Fuse, ETC/ECM Fuse, PCM 1 Fuse, INJ 1 Fuse, INJ 2 Fuse |
– | ECMRPCV Fuse, EDU Fuse (Diesel) | |
RTD Fuse | 30A | not Used |
TRL B/U Fuse | 10A | Body manage Module (BCM), Trailer Wiring, Back-Up Alarm |
PCM B Fuse | 20A | Powertrain regulate Module, F/PMP Relay |
F/PMP Relay | – | Fuel Pump |
O2 A Fuse (Gas)/FUEL HT Fuse (Diesel) #3 | 15A | cook Oxygen Sensors-Upstream (Gas) |
15A | Fuel Heater, bright Plug Controller, Intake waiting (IA) Heater Relay, EGR System contents (Diesel) | |
B/U LP Fuse | 20A | Park/Neutral position (PNP) Switch |
RR DEFOG Fuse | 30A | DEFOG Relay |
HDLP-HI Relay | – | hello HDLP-LT Fuse, hello HDLP-RT Fuse |
O2 B Fuse (Gas)/EMCI Fuse (Diesel) #4 | 15A | cook Oxygen Sensors-Downstream (Gas) |
15A | IAT/MAF Sensor, Engine control Module (ECM) (Diesel) | |
AIRBAG Fuse | 15A | blow up Restraint Sensing and Diagnostic Module (SDM), memory Seat Module-Passenger, within Rearview Mirror |
FRT PARK Fuse | 10A | Park/Turn Signal Lamps-Front, mite Lamps- Front |
DRL Relay | – | DRL Lamp-LT, DRL Lamp-RT (Domestic)/DRL Fuse, FRT PARK Fuse (Export) |
SEO IGN Fuse | 10A | DEFOG Relay, instrument Panel cluster (IPC) |
TBC IGN 1 Fuse | 10A | Body manage Module (BCM) |
hi HDLP-LT Fuse | 10A | Headlamp-High Beam-Left |
LH HID Fuse | 20A | High soot Discharge Lamps |
DRL Fuse | 10A | DRL Relay (Domestic)/Daytime to run Lamps (Export) |
RVC Fuse | 10A | Generator Battery regulate Module |
IPC/DIC Fuse | 10A | instrument Panel swarm (IPC) |
HVAC/ECAS Fuse | 10A | HVAC manage Module |
CIG LTR Fuse | 15A | Cigar Lighter, Data connect Connector (DLC) |
hello HDLP RT Fuse | 10A | Highbeam Headlamp-Right |
HDLP-LOW Relay | – | LO HDLP-LT Fuse, LO HDLP-RT Fuse |
A/C COMP Relay | – | A/C Compressor Clutch |
A/C COMP Fuse | 10A | A/C Compressor Clutch Relay |
RR WPR | 25A | not Used |
RADIO Fuse | 15A | Radio, rear Seat Audio (RSA) |
SEO B1 Fuse | 15A | tool Panel swarm (IPC), rear Fog lamp Relay, Overhead Console, Roof Beacon Switch |
Underhood colling fan fuse block is situated on left side of engine compartment to the rear of the battery.

Device | Rating | Description |
Cool/Fan Fuse | 40A | Cool/Fan 1 Relay |
Cool/Fan Fuse | 40A | Cool/Fan 2 Relay |
Cool/Fan Fuse | 10A | Cool/Fan 3 Relay |
Cool/Fan 1 Relay | – | Cooling fan – Left |
Cool/Fan 2 Relay | – | Cooling fan – Left and also Right High Speed |
Cool/Fan 3 Relay | – | Cooling fan – Left and Right low Speed |
Fuse crate in passenger compartmentChevrolet Silverado.
fuse crate location.
The fuse block accessibility door is top top the driver’s next edge that the instrument panel. Pull turn off the cover to accessibility the fuse block.

fuse box diagram (1999-2002).

reverse

Assignment of the fuses (1999-2002).
HVAC 1 Fuse #1 | 10A | HVAC control Module, setting Door Motors/Actuators |
IGN 3 Fuse #2 | 10A | storage Seat Module, LH and also RH Heated seat Switch |
BRAKE Fuse #3 | 10A | electronic Brake manage Module (EBCM) |
HTR A/С Fuse #4 | 25A | Blower motor (all except high speed) |
IGN 0 Fuse #5 | 10A | automatic Transmission, instrument Cluster, vehicle Control Module (VCM)/Powertrain control Module (PCM) |
CRUISE Fuse #6 | 10A | Cruise regulate Module, Cruise regulate Switch, tool Cluster, Body manage Module (BCM) |
4WD Fuse #7 | 15A | assistant Battery Relay, prior Axle Actuator/Switch, Automatic transport (АТС) control Module. Auto Control Module (VCM) |
revolve Fuse #8 | 20A | Feeds LT Turn and RT revolve fuses – turn signals |
WS WiPER Fuse #12 | 25A | Windshield Wiper, Windshield Washer Pump |
SEO IGN Fuse #13 | 10A | Selectable Ride |
ILLUM Fuse #14 | 10A | instrument Cluster, Instrument dashboard Switches (backlit) |
IGN 1 Fuse #15 | 10A | Body control Module (BCM), tool Cluster, automatically Day-Night |
SEO ACCY Fuse #16 | 10A | human body Builder Provision |
CRANK Fuse #17 | 10A | Starter Relay |
wait BAG Fuse #18 | 15A | blow up Restraint Sensing and also Diagnostic Module, blow up Restraint instrument dashboard Module Switch |
MIR/LOCK Fuse #19 | ЗА | strength Mirrors, storage Seat Switch, power Door Lock Relays |
seat (CB) #20 | 25A | strength Seats, storage Seats (LH and also RH) |
DR LOCKS Fuse #21 | 20A | strength Door Lock Actuators |
LOCK Fuse #22 | 15A | strength Door Locks (Actuators) |
(NT PK Fuse #24 | 10A | Park lamp Relay Bypass (w/Manual Park Lamp move use) |
UNLOCK Fuse #25 | 15A | strength Door Locks (Actuators) |
PWR WDO (CB) #27 | 25A | Power windows (Uplevel Vehicle) |
RDO ns Fuse #29 | 10A | Radio (Base Vehicle) |
UNLOCK JMPR (Relay/Fuse) | 30A | power Door Locks (non-Keyless Entry) |
fuse box layout (2003-2007).
Instrument panel fuse block.

legend (2003-2007).
RR WPR Fuse | 15A | no Used |
SEO ACCY Fuse | 10A | Upfitter Provisions |
WS WPR Fuse | 25A | Windshield Wiper Motor and Module |
TBC ACCY Fuse | 10A | Body regulate Module (BCM) |
IGN 3 Fuse | 10A | behind Wheel Steering manage Module |
4WD Fuse | 15A | prior Axle Actuator, transport Case change Control Switch, auxiliary Battery Relay |
HTR A/C Fuse | 30A | HVAC regulate Module |
LOCK Relay | – | Door Lock Actuators |
HVAC 1 Fuse | 10A | HVAC manage Module, HVAC Actuators |
together DOOR – 12-WAY – BLACK | – | Fuse Block – Left I/P C3 (Driver Door Harness) |
CRUISE Fuse | 10A | Cruise regulate Switch, Cruise control Module, Steering Wheel Speed/Position Sensor, power Take-Off (PTO) Switch |
UNLOCK Relay | – | Door Unlock Actuators |
RR FOG LP Relay | – | Fog lamp – LR, Fog desk lamp – RR (Export) |
BRAKE Fuse | 10A | avoid Lamp Switch, digital Brake regulate Module (EBCM), Clutch start Switch |
DRIVER UNLOCK Relay | – | Door Latch Assembly-Driver (Base) |
IGN O Fuse | 10A | Passlock Sensor, automatic Transmission, Powertrain manage Module (PCM) – Gas, Engine regulate Module (eCM) – Diesel |
TBC IGN O Fuse | 10A | Body manage Module (BCM) |
VEH CHMSL Fuse | 10A | center High mounted Stop desk lamp (CHMSL) |
LT TRLR ST/TRN Fuse | 10A | Trailer Wiring Provisions |
LT TRN Fuse | 10A | revolve Signal Lamps – Left, mite Lamps – Left, Driver Door Module (DDM), instrument Panel cluster (IPC) |
VEH prevent Fuse | 15A | Tail/Stop and also Turn Signal Lamps-Rear, accelerator Actuator control (TAC) |
body – 12-WAY – BROWN | – | Fuse Block – Left I/P C4 (Body Harness) |
RT TRLR ST/TRN Fuse | 10A | Trailer Wiring Provisions |
RT TRN Fuse | 10A | turn Signal Lamps – Right, mite Lamps – Right, front Passenger Door Module (FPDM), instrument Panel cluster (IPC) |
DDM Fuse | 15A | Driver Door Module (DDM) |
AUX PWR 2 Fuse | 20A | I/P Accessory strength Outlets, Accessory power Outlet – Rear |
LOCKS Fuse | 20A | Door Lock/Unlock Relays |
ECC Fuse | 10A | no Used |
TBC 2C Fuse | 15A | Body manage Module (BCM) |
speed Fuse | 25A | turn Signal/Hazard Flasher Module |
CB-LT DOORS | 25A | home window Switch – LR, Driver Door Module (DDM) |
TBC 2B Fuse | 15A | Body regulate Module (BCM) |
TBC 2A Fuse | 15A | Body control Module (BCM) |
Relay boxChevrolet Silverado (since 2004).
See more: What Does Npw Mean On Text Message, What Does Npw Stand For In Texting
critical panel relay block is located below instrument panel to the left the the steering column.

SEO – 6-WAY – BLK | – | cell phone Radio and Emergency Lighting |
TRAILER – 6-WAY – BRN | – | Trailer Provisions |
UPFIT – 4-WAY – CRM | – | Upfitter Provisions |
SL ride – 6-WAY – GRY | – | hands-on Selectable journey (MSR) |
HDLNR 2 – 6-WAY – CRM | – | waiting Temperature Assembly – Inside, Blower Motor control Processor, HVAC Actuators, within Rearview Mirror |
human body – 12-WAY – WHT | – | Door Courtesy Lamps, Driver/Passenger chair Modules, Heated chair Module – LR/RR, Rear window Defogger Grid, automatically Occupant Sensing |
DEFOG Relay (C49) | – | Rear window Defogger Grid |
HDLNR 1 – 6-WAY – BRN | – | Courtesy reading Lamps, Garage Door Opener, inside Rearview Mirror, Vanity mirror Lamps |