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UNDERHOOD Fuse Block

NOTE: Underhood fuse block is located in the left front of the engine compartment, near the battery. See Fig 1.
Fig 1: Locating Underhood Fuse Block
G00330687Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Underhood Fuse Block Components
GM1897492Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - UNDERHOOD FUSE BLOCK - UNDERHOOD FUSE AND RELAY IDENTIFICATION LEGEND

Fuse And Relay Description Rating Circuits
PWR WNDW Fuse (EF1) 30A PWR WNDW Relay
MAIN RELAY Fuse (EF2) 20A MAIN POWER Relay (1.2L)
COOL FAN Fuse (EF3) 30A COOL FAN HI Relay and COOL FAN LOW Relay
ABS Fuse (EF4) 60A Electronic Brake Control Module (EBCM)
IGN 1 Fuse (EF5) 30A Ignition Switch
IGN 2 Fuse (EF6) 30A Ignition Switch
I/P FUSE BATT. Fuse (EF7) 30A CLK RADIO Fuse, CLSTR HAZRD Fuse, ECM TCM Fuse, DR/LCK Fuse, HORN REAR/FOG Fuse and STOP Fuse
HVAC BLOWER Fuse (EF8) 20A Blower Relay
FOG LAMPS Fuse (EF9) 15A FRT FOG Relay
FUEL Fuse (EF10) 15A FUEL PUMP Relay
HORN Fuse (EF11) 10A Horn, Hood Ajar Switch, and Theft Deterrent Alarm
S/ROOF Fuse (EF12) 20A Sunroof Module
INJECTOR Fuse (EF13) (North America) 10A Camshaft Position (CMP) Sensor, COOL FAN HI Relay, COOL FAN LOW Relay, Engine Control Module (ECM), Exhaust Gas Recirculation (EGR) Valve, Fuel Injector 1-4, and Intake Manifold Tuning Valve
ILLUM LT Fuse (EF14) 10A License Lamp, Park Position Lamp - Left (Except North America), Park/Turn Signal Lamp - LF, Side Marker Lamp - LF, Side Marker Lamp - LR, Side Marker Lamp - RR, and Tail/Stop Lamp - Left
ILLUM RT Fuse (EF15) 10A Ashtray Lamp, Clock, Defogger Switch, DRL Control Module, DRL Relay, Fog Lamp Switch - Front, Fog Lamp Switch - Rear, Hazard Switch, HVAC Control, Instrument Cluster, Multifunction Alarm Module, Park Position Lamp - Right (Except North America), Park/Turn Signal Lamp - RF, Radio, Shift Indicator Lamp, Side Marker Lamp - RF, and Tail/Stop Lamp - Right
DIODE (FOG) (EF16) - HI BEAM RT Fuse
DIS Fuse (EF17) 10A A/C CMPRSR Relay, Engine Control Module (ECM), EVAP Canister Purge Solenoid Valve, Heated Oxygen Sensor 1 (HO2S1), Heated Oxygen Sensor 2 (HO2S2), and Ignition Coil Module
A/C Fuse (EF18) 20A A/C CMPRSR Relay
HEAD LAMPS Fuse (EF19) 25A DRL Module, HEAD LAMPS LOW Relay, and HEAD LAMPS HI Relay
ILLUM LAMPS Fuse (EF20) 20A ILLUM LAMPS Relay
DEFOG Fuse (EF21) 30A Defog Relay
INT LTS Fuse (EF22) 10A Courtesy/Reading Lamp (w/o Sunroof), Rear Compartment Lamp, and Sunroof Switch (w/Sunroof)
LOW BEAM LT Fuse (EF23) 10A Headlamp Leveling Motor - LH and Headlamp Low Beam - Left
LOW BEAM RT Fuse (EF24) 10A Headlamp Leveling Motor - RH and Headlamp Low Beam - Right
HI BEAM LT Fuse (EF25) 10A Headlamp High Beam - Left
HI BEAM RT Fuse (EF26) 10A Headlamp High Beam - Right
A/C CMPRSR Relay - A/C Compressor Clutch and Engine Control Module (ECM)
COOL FAN HI Relay - Cooling Fan Resistor (1.2L, 1.6L), Cooling Fan (1.2L, 1.6L), Cooling Fan - Main (1.4L, 1.5L) and Engine Control Module (ECM)
COOL FAN LOW Relay - Cooling Fan Resistor (1.2L, 1.6L), Cool Fan - Auxiliary (1.4L, 1.5L) and Engine Control Module (ECM)
FRT FOG Relay - Fog Lamp - LF, Fog Lamp - RF, and Headlamp
FUEL PUMP Relay - Fuel Pump
HEAD LAMPS HI Relay - Head Lamps
HEAD LAMPS LOW Relay - Head Lamps
ILLUM LAMPS Relay - Lamps
MAIN POWER Relay - -
PWR WNDW Relay - Power Windows