FixVault

UNDERHOOD Fuse Block

NOTE: Underhood fuse block is located on passenger's side of engine compartment, near battery. See Fig 1.
Fig 1: Locating Underhood Fuse Block
G00310319Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Underhood Fuse Block Components (2004)
G00310320Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Underhood Fuse Block Components (2005)
G00310321Courtesy of GENERAL MOTORS CORP.
UNDERHOOD FUSE BLOCK LEGEND (1 OF 2)

No. Fuse Rating Description
1 LF HI BEAM Fuse 10A Headlamp - High Beam - Left
2 RF HI BEAM Fuse 10A Headlamp - High Beam - Right
3 LF LO BEAM Fuse 10A Headlamp - Low Beam - Left
4 RF LO BEAM Fuse 10A Headlamp - Low Beam - Right
5 WIPER/WS Fuse 25A WIPER Relay
6 WASHER/RVC Fuse 15A Body Control Module (BCM)
7 FOG LPS Fuse 10A FOG LP Relay
9 SIR Fuse 10A Inflatable Restraint Sensing and Diagnostic Module (SDM)
10 AUX PWR Fuse 25A Accessory Power Outlet - Rear, Accessory Power Outlet - Front and Auxiliary Power Drop Connector
11 HORN Fuse 15A HORN Relay
12 EMISSION Fuse 10A Evaporative Emission (EVAP) Canister Purge Solenoid, Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor and Supercharger Boost Control Solenoid (L32)
13 A/C CLUTCH Fuse 10A A/C COMP Relay
14 02 SSR Fuse 15A Heated Oxygen Sensor (HO2S) Sensor 1 and Heated Oxygen Sensor (HO2S) Sensor 2
15 PCM Fuse 10A CRANK Relay and Powertrain Control Module (PCM)
16 PCM/ETC Fuse 15A Powertrain Control Module (PCM) and Generator
17 ETC Fuse 15A Throttle Actuator Control (TAC) Module
18 DISPLAY Fuse 10A Electronic Compass Module, CRUISE SW Fuse, Auxiliary Power Drop Connector and HVAC Control Module
19 ABS SOL Fuse 25A Electronic Brake Control Module (EBCM)
20 FUEL INJ Fuse 15A Fuel Injector 1, Fuel Injector 2, Fuel Injector 3, Fuel Injector 4, Fuel Injector 5 and Fuel Injector 6
21 TRANS SOL Fuse 10A Torque Converter Clutch (TCC) Solenoid Valve, 1-2 Shift Solenoid (1-2 SS) Valve and 2-3 Shift Solenoid (2-3 SS) Valve
22 FUEL PP 15A FUEL PP Relay
23 ABS Fuse 10A Steering Angle Sensor (JL4), Yaw and Lateral Acceleration Sensor (JL4) and Electronic Brake Control Module (EBCM)
24 ELEK IGN Fuse 15A Ignition Control Module (ICM)
26 BATT MAIN 1 Fuse 40A PK LAMPS, DISPLAYS, CHMSL/BKUP, INT LIGHT, RF A/MOD, RADIO/AMP, ONSTAR/ALDL, HVAC and CANISTER Fuses
27 BATT MAIN 2 Fuse 50A HTD SEAT, PWR MIRS, TURN/HAZ and DR LK/TRUNK Fuses, PWR SEAT Circuit Breaker and RAP Relay
UNDERHOOD FUSE BLOCK LEGEND (2 OF 2 - 2004)

28 BATT MAIN 3 Fuse 40A RR DEFOG Relay
29 FAN 1 Fuse 30A FAN 1 Relay
30 BATT MAIN 4 Fuse 30A Blower Motor Control Processor
31 ABS MTR Fuse 40A Electronic Brake Control Module (EBCM)
32 FAN 2 Fuse 30A FAN 2 and FAN 3 Relays
33 STARTER Fuse 40A CRANK Relay
34 HI BEAM Relay - LF HI BEAM and RF HI BEAM Fuses
35 LO BEAM Relay - LF LO BEAM and RF LO BEAM Fuses
36 FOG LP Relay - Fog Lamp - LF and Fog Lamp - RF
37 IGN 1 Relay - ABS, TRANS SOL, PCM, SIR and DISPLAY Fuses, and A/C COMP Relay
38 A/C COMP Relay - A/C Compressor Clutch and A/C CLU Diode
39 HORN Relay - Horn Assembly
40 P/TRAIN Powertrain Relay - ETC, ELEK IGN, FUEL INJ, O2 SSR and EMISSION Fuses
41 FUEL Pump Relay - Fuel Pump and Sender Assembly
42 FAN 1 Relay - Cooling Fan - Left
43 FAN 3 Relay - Cooling Fan - Right
44 WIPER HI Relay - Windshield Wiper Motor
45 WIPER Relay - WIPER HI Relay
46 FAN 2 Relay - Cooling Fan - Right
48 CRANK Relay - Starter
49 SPARE Fuse 10A -
50 SPARE Fuse 15A -
51 SPARE Fuse 25A - -
52 Empty - -
53 Empty - -
54 Empty - -
55 FUSE PULLER - -
UNDERHOOD FUSE BLOCK LEGEND (2 OF 2 - 2005)

28 BATT MAIN 3 Fuse 40A RR DEFOG Relay
29 FAN 1 Fuse 30A FAN 1 Relay
30 BATT MAIN 4 Fuse 30A Blower Motor Control Processor
31 ABS MTR Fuse 40A Electronic Brake Control Module (EBCM)
32 FAN 2 Fuse 30A FAN 2 and FAN 3 Relays
33 STARTER Fuse 40A CRANK Relay
34 HI BEAM Relay - LF HI BEAM and RF HI BEAM Fuses
35 LO BEAM Relay - LF LO BEAM and RF LO BEAM Fuses
36 FOG LP Relay - Fog Lamp - LF and Fog Lamp - RF
37 IGN 1 Ignition Relay - ABS, TRANS SOL, PCM, SIR and DISPLAY Fuses, and A/C COMP Relay
38 A/C COMP Relay - A/C Compressor Clutch and A/C CLU Diode
39 HORN Relay - Horn Assembly
40 P/TRAIN Powertrain Relay - ETC, ELEK IGN, FUEL INJ, O2 SSR and EMISSION Fuses
41 FUEL Pump Relay - Fuel Pump and Sender Assembly
42 FAN 1 Relay - Cooling Fan - Left
43 FAN 3 Relay - Cooling Fan - Right
44 WIPER HI Relay - Windshield Wiper Motor
45 WIPER Relay - WIPER HI Relay
46 FAN 2 Relay - Cooling Fan - Right
48 CRANK Relay - Starter
49 SPARE Fuse 10A -
50 SPARE Fuse 15A -
51 SPARE Fuse 25A -
52 Empty - -
53 Empty - -
54 Empty - -
55 FUSE PULLER - -
56 AIR PUMP Fuse 50A Secondary Air Injection (AIR) Pump Relay (NU3)