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Bottom UNDERHOOD Compartment Fuse Block

NOTE: Bottom underhood compartment fuse box is located on passenger's side of engine compartment. See Figure.
Fig 1: Identifying Bottom Underhood Fuse Block
GM729611Courtesy of GENERAL MOTORS CORP.
Junction Block - Underhood - Bottom Fuse And Relay Identification Legend

Fuse And Relay Description Rating Circuits
A/C RLY (COIL) 10A A/C CMPR Relay
COOLING FANS 60A FAN CONT #1 Fuse (25A) and FAN CONT #2 & 3 Fuse (25A)
DFI MDL 15A Ignition Control Module (ICM)
ENG DEVICES 10A Evaporative Emissions (EVAP) Canister Purge Solenoid, and Mass Air Flow (MAF) Sensor
FAN CONT #1 25A FAN CONT #1 Relay
FAN CONT #2 & 3 25A FAN CONT #2 Relay and FAN CONT #3 Relay
FUEL INJ 15A Fuel Injectors 1, 2, 3, 4, 5, and 6
IGN SW 60A Ignition Switch and Junction Block - Left I/P including; ABS/PCM Fuse (10A), A/C/CRUISE Fuse (10A) A/C FAN Fuse (20A), BCM Fuse (10A), CIG/AUX Fuse (10A), CRUISE Fuse (2A), PCM/BCM/CLSTR Fuse (10A), PCM (CRANK) Fuse (10A), STOP Fuse (10A), SRS Fuse (10A), TURN SIGNAL Fuse (15A), and WSW Fuse (25A)
OXY SEN 15A Heated Oxygen Sensor (HO2S) Sensor 1 and Heated Oxygen Sensor (HO2S) Sensor 2
RT IP #3 60A HTD MIR Fuse (10A), RADIO Fuse (15A), REAR DEFOG BRKR Circuit Breaker (30A), and REAR DEFOG RELAY
TRANS SOL 10A 1-2 Shift Solenoid (1-2 SS Valve), 2-3 Shift Solenoid (2-3 SS Valve), Torque Convertor Clutch (TCC) Solenoid Valve
U/HOOD #2 60A A/C RLY (COIL) Fuse (10A), AIR PMP RLY Fuse (30A) (NC8), DFI MDL Fuse (15A), ENG DEVICES Fuse (10A), FUEL INJ Fuse (15A), IGN RLY Relay, OXY SEN Fuse (15A), and TRANS SOL Fuse (10A)
Fan Cont #1 Relay - Cooling Fan
Fan Cont #2 Relay - Cooling Fan
Fan Cont #3 Relay - Cooling Fan
Ign Relay - Ignition
A/C Cmpr Relay - A/C Compressor