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UNDERHOOD Fuse Block

Underhood fuse block is located in the engine compartment, in the right front corner. See Fig 1.

Fig 1: Locating Underhood Fuse Block
G00150349Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Underhood Fuse Block Components
G00351753Courtesy of GENERAL MOTORS CORP.
UNDERHOOD FUSE BLOCK LEGEND

Fuse Rating Description
ACCESSORY Relay - ELEC PRNDL, WPR MOD, and WPR SW Fuses
BLOWER Fuse 40A BLOWER Relay
BLOWER Relay - Blower Motor Control Module
BODY W/H - Underhood Fuse Block C2 & C3 (2-Way Connectors)
CCP Fuse 10A HVAC Control Module
CIGAR Relay - OUTLET and IP OUTLET Fuses
CMP CLU Relay - Compressor Clutch
COMP CLTCH Fuse 10A Compressor Clutch
DIM/ALDL Fuse 10A DIM and Data Link Connector
DRL Relay - LT LOW BEAM and RT LOW BEAM Fuses
EBCM Fuse 50A EBCM
ECM Fuse 15A Camshaft Position (CMP) Sensor and ECM
ECM/TCM Fuse 10A ECM, IPC, Theft Deterrent Module, and TCM
ELEC PRNDL Fuse 10A PRNDL Module
ENG W/H - Underhood Fuse Block C5 (26-Way Connector)
FLASHER Fuse 15A Turn/Hazard Flasher Module
FOG LAMP Fuse 15A FOG LAMP Relay
FOG LAMP Relay - Fog Lamps
Fuse Puller - Fuse Puller
HDLP WASH Circuit Breaker 30A Headlamp Washer Module
HDLP WASH Jumper Wire (Early Production-Before VIN 105858) - Pin R68 to Pin R67, to the Headlamp Washer Relay
HDLP WASH Relay (Late Production-VIN 105858 and After) - Headlamp Washer Motor
HI BEAM Relay - LT HI BEAM and RT HI BEAM Fuses
HI FAN Fuse 30A HI SPEED FAN Relay
HI SPEED FAN Relay - Cooling Fan-Right
HORN Fuse 15A HORN Relay
HORN Relay - Horns
HTR VLV/CLTCH Fuse 10A Clutch Pedal Position (CPP) Sensor (w/Manual Transmission) and Coolant Bypass Valve
IGN-1 Relay - HTR VLV/CLTCH, TCM/IPC, WASH NOZ, TURN SW, HEATER VALVE, TCC/ET, and IGN MOD Fuses
IGN MOD Fuse 15A Ignition Control Modules
IGN SW Fuse 10A Ignition Switch
INJ Fuse 10A Fuel Injectors
I/P OUTLET Fuse 20A Cigar Lighter
L REAR Fuse 60A Fuse Block-Left Rear
L REAR Fuse 60A Fuse Block-Left Rear
LIC/DIMMING Fuse 15A DIM and Rear Compartment Lid Applique
LO BEAM Relay/HID - LT LOW BEAM and RT LOW BEAM Fuses
LO FAN Fuse 30A LO SPEED FAN Relay
LO SPEED FAN Relay - Cooling Fan-Left
LT HI BEAM Fuse 10A Headlamp-Left
LT LOW BEAM Fuse 20A Headlamp-Left
LT PARK Fuse 10A Headlamp-Left, Left Position Relay (Export), Side Marker Lamp-LF, and Tail Lamp-Left (Domestic)
MAIN Relay - LO SPEED Relay, HI SPEED Relay, S/P FAN Relay, PRE O2 Fuse, IGN-1 Fuse, ECM Fuse, POST O2 Fuse, and INJ Fuse
MANIFOLD Fuse 10A Evaporative Emissions (EVAP) Canister Purge Valve Solenoid, Intake Manifold Tuning Valve (IMTV) Solenoid, Intake Manifold Runner Control (IMRC) Solenoid, and Mass Air Flow (MAF) Sensor
OUTLET Fuse 30A Auxiliary Power Outlet
PARK LAMP Relay - RT PARK, LT PARK, and LIC/DIMMING Fuses
POST O2 Fuse 10A HO2S Bank 1 Sensor 2 and HO2S Bank 2 Sensor 2
PRE O2 Fuse 10A Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 and HO2S Bank 2 Sensor 1
R REAR Fuse 60A Fuse Block-Right Rear
R REAR Fuse 60A Fuse Block-Right Rear
RT HI BEAM Fuse 10A Headlamp-Right
RT LOW BEAM Fuse 20A Headlamp-Right
RT PARK Fuse 10A Headlamp-Right, Right Position Relay (Export), Side Marker Lamp-RF, and Tail Lamp-Right (Domestic)
S/P FAN Relay   Cooling Fans
Spare Fuse - Not Used
STARTER Fuse 30A Starter Solenoid
STARTER Relay - Starter Solenoid
STOP LP SW Fuse 15A Stop Lamp Switch
STRG CTLS Fuse 10A Steering Wheel Controls and Power Sounder (Export)
TCC/ET Fuse 10A Stop Lamp Switch and TCC/Cruise Release Switch
TCM/IPC Fuse 15A ECM, IPC, and TCM
THEFT Fuse 7.5A ECM, Theft Deterrent Module, and TCM
VOLT CHECK Fuse 10A DIM
WASH NOZ Fuse 10A Heated Washer Nozzles
WPR MOD Fuse 30A Windshield Wiper Module
WPR SW Fuse 10A Windshield Wipe/Washer Switch