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2003 Chevrolet Tahoe Fuse Diagram

2003 Chevrolet Tahoe Fuse Diagram for instrument panel fuse box

hevrolet Avalanch IP Fuse Diagram 2
1 IGN 3 Fuse 10A HVAC Components, Electronic Suspension Control (ESC) Components, Heated Seat Modules-Rear, Rear Wheel Steering
2 ECC Fuse 10A HVAC Control Assembly-Rear Auxiliary
3 DDM Fuse 15A Driver Door Module (DDM)
4 VEH STOP Fuse 15A Tail/Stop and Turn Signal Lamps-Rear, Throttle Actuator Control
5 IGN 0 Fuse 10A Passlock Sensor, Automatic Transmission, Powertrain Control
6 RR WPR Fuse 15A Rear WiperlWasher Switch
7 4WD Fuse 15A Front Axle Actuator, Transfer Case Shift Control Switch
8 TBC IGN 0 Fuse 10A Body Control Module (BCM)
9 CRUISE Fuse 10A Cruise Control Switch, Steering Wheel Speed/Position Sensor
10 HVAC 1 Fuse 10A HVAC Control Module, HVAC Actuators
11 HTPJAC Fuse 30A HVAC Control Module
12 SEC ACCY Fuse 10A Upfitter Provisions
13 VEH CHMSL Fuse 10A Center High Mounted Stop Lamp (CHMSL)
14 BRAKE Fuse 10A Stop Lamp Switch, Electronic Brake Control Module (EBCM), Traction Control Switch
15 WS WPR Fuse 25A Windshield Wiper Motor Module
16 PDM Fuse 10A Front Passenger Door Module (FPDM)
17 TBC 28 Fuse 15A Body Control Module (BCM)
18 TBC 2C Fuse 15A Body Control Module (BCM)
19 AUX PWR 2 Fuse 20A Accessory Power Outlet-D-Pillar
20 TBC ACCY Fuse 10A Body Control Module (BCM)
21 RT TRLR ST/TRN Fuse 10A Trailer Wiring
22 LT TRLR ST/TRN Fuse 10A Trailer Wiring
23 TBC 2A Fuse 15A Body Control Module (BCM)
24 LOCKS Fuse 20A Door Lock/Unlock Relays
25 FLASH Fuse 25A Turn Signal/Hazard Flasher Module
26 RT TRN Fuse 10A Turn Signal Lamps-Right, Marker Lamps-Right, Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC)
27 LT TRN Fuse 10A Turn Signal Lamps-Left, Marker Lamps-Left, Driver Door Module (DDM), Instrument Panel Cluster (IPC)
LOCK Relay Door Lock Actuator Liftgate, Door Latch Assembly LR/RR L DOOR 12 WAY-BLACK Fuse Block Left I/P C4 (Driver Door Harness)
UNLOCK Relay Door Lock Actuator Liftgate, Door Latch Assembly LR/RR RR FOG LP Relay Rear Fog Lamps (Export)
DRIVER UNLOCK Relay Not Used
BODY 12 – WAY BROWN Fuse Block Left I/P C3 (Body Harness)
CB LT DOORS 25A Window Switch LR, Driver Door Module (DDM)

2003 Chevrolet Tahoe Relay Block

2003 Chevrolet Avalanche relay block

2003 Chevrolet Tahoe Fuse Diagram for Underhood fuse box

2003 Chevrolet Avalanche underhood fuse diagram
STUD # 1 40A Trailer Wiring, Automatic Level Control (ALC) Compressor Relay
MBEC 1 50A SEAT CB. RT DOOR CB
BLOWER 40A Blower Motor
LBEC 2 50A LOCKS Fuse. DDM Fuse, PDM Fuse, ECC Fuse, AUX PWR 2 Fuse
STUD #2 30A Trailer Wiring
ABS 60A Electronic Brake Control Module (EBCM)
VSES/ECAS 60A Electronic Brake Control Module (EBCM)
IGN A 40A Ignition Switch RUN. START. RUN/START/ACCY
IGN B 40A Ignition Switch RUN/ACC, RUN/START
LBEC 1 50A FLASH Fuse, TBC 2A Fuse. TBC 2B Fuse. TBC 2C Fuse. LT DOORS Fuse
TRL PARK 15A Trailer Wiring
RR PARK 10A Exterior Lamps-Right Rear, Clearance Lamps-Right
LR PARK 10A Exterior Lamps-Left Rear. Clearance Lamps-Left
PARK LP Relay – TRLR PARK Fuse, LR PARK Fuse, RR PARK Fuse, FRT PARK, INT PARK Fuse, DRL Relay (Export)
STARTER Relay – Starter
INTPARK 10A ID Lamp
STOP LP 25A Stop Lamp Switch
TBC BATT 10A Body Control Module (BCM). PASS-Key Module
SUNROOF 25A Sunroof Relay
SEC 82 30A Roof Beacon Relay
4WS 15A Rear Wheel Steering Control Module, Evaporative Emission (EVAP) Canister Vent Solenoid
RR HVAC 30A I-IVAC Control Assembly-Rear Auxiliary
AUX PWR 20A Accessory Power Outlets. Auxiliary Power Outlets
IGN 1 Relay – SBA Fuse, ETC/ECM Fuse, PCM 1 Fuse, INJ 1 Fuse, INJ 2 Fuse
PCM 1 15A Powertrain Control Module (PCM). Mass Air Flow (MFS) Sensor. Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition Sensor, Secondary Fuel Pump Relay
ETC/ECM 15A Throttle Actuator Control (TAC)
INJ 1 15A Fuel Injectors-Odd-Numbered. Ignition Coils-Odd-Numbered
INJ 2 15A Fuel Injectors-Even-Numbered. Ignition Coils-Even-Numbered
IGN E 10A NC COMP Relay, Park/Neutral Position (PNP) Switch, Turn Signal/Multifunction Switch, Headlamp Leveling Components
RTD 30A Automatic Level Control (ALC) Compressor, Electronic Suspension Control (ESC) Module
TRL B/U WA Body Control Module (BCM). Trailer Wiring. Back-Up Alarm
PCM B 20A Powertrain Control Module (PCM)
PRIME FIPMP Relay — Fuel Pump
02A 15A Heated Oxygen Sensors-before the catalytic converter
B/U LP 20A Park/Neutral Position (PNP) Switch
RR DEFOG 30A DEFOG Relay
HDLP-Hl Relay – HI HDLP-LT Fuse, HI HDLP-RT Fuse
02B 15A Heated Oxygen Sensors-after the catalytic converter
SIR 15A Inflatable Restraint Sensing and Diagnostic Module (SDM), Memory Seat Module-Passenger. Inside Reaview Mirror
FRT PARK 10A Park/Tum Signal Lamps-Front, Marker Lamps-Front
DRL Relay — DRL Fuse
SEO ION 10A DEFOG Relay. Instrument Panel Cluster (IPC). Rear Object Sensor Control Module
TBC IGN 1 10A Body Control Module (BCM)
HI HDLP-LT 10A Headlamp-High Beam-Left
LH HID 20A Headlamp Ballast-Left
DRL 10A DRL Relay (Domestic), Daytime Running Lamps (Export)
IPC/DIC 10A Instrument Panel Cluster (IPC)
HVAC/ECAS 10A HVAC Control Module
CIG LTR 15A Cigar Lighter, Data Link Connector (DLC)
HI HDLP-RT 10A Headlamp-High Beam-Right
HDLP-LOW Relay LO HDLP-LT Fuse
AC COMP Relay AC Compressor Clutch Assembly
AC COMP 10A AC COMP Relay
RR WPR 25A Window wiper Module-Rear
RADIO 15A Entertainment System Components
SEO B1 15A Instrument Panel Cluster (IPC), Rear Fog Lamp Relay. Overhead Console, Roof Beacon Switch LO HOLP-LT 10A Headlamp-Low Beam-Left, Headlamp Ballast-Left
BTSI 10A Stop Lamp Switch
CRANK 10A Powertrain Control Module (PCM)
LO HDLP-RT 10A Headlamp-Low Beam-Right. Headlamp Ballast-Right
FOG LP Relay FOG LP Fuse
FOG LP 15A FOG LP Relay
HORN Relay HORN Fuse
W/S WASH Relay W/S WASH Fuse
W/S WASH 15A W/S WASH Relay
INFO 15A Vehicle Communication Interface Module (VCIM). Rear Seat Entertainment (RSE) Assembly. Remote Playback Device-CD Player
RADIO AMP 30A Audio Amplifier
RH HID 20A Headlamp Ballast-Right
HORN 15A Horn-Left. Horn-Right
EAP 15A Electronic Adjustable Pedals (EAP) Relay
TREC 30A Transfer Case Encoder Motor, Transfer Case Shift Control Module
SBA 15A Supplemental Brake Assist Pump Motor

Posted on by Rick Muscoplat

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