GM Service Manual Online
For 1990-2009 cars only
Table 1: Fuse Block--I/P Fuse Application
Table 2: Fuse Block--Underhood (Top) Fuse Application
Table 3: Fuse Block--Underhood (Bottom) Fuse Application

Fuse Block--I/P


Object Number: 500148  Size: SH

Object Number: 500150  Size: SH

Fuse Block--I/P Fuse Application

Fuse

Rating

Description

1 - STOP/HAZARD

20A

    • Hazard flasher module
    • Stop lamp switch

2 - TURN B/U

20A

    • Backup lamp switch
    • Daytime running lamps (DRL) control module
    • Park/Neutral position (PNP) switch
    • Turn signal flasher module

3 - STG WHL CNTRL

1A

Steering wheel controls

4 - RADIO ACCY

25A

    • Audio amplifier
    • Radio power antenna
    • Remote playback device - CD player

5 - TAIL LPS

20A

    • Daytime running lamps (DRL) control module
    • Headlamp switch

6 - HVAC

20A

HVAC control assembly

7 - PWR ACCY

15A

    • Instrument panel cluster (IPC)
    • Outside rearview mirror switch
    • Radio
    • Rear compartment lid release relay
    • Theft deterrent relay
    • Shock sensor

8 - COURTESY

20A

Body control module (BCM)

9 - GAUGES

10A

    • Body control module (BCM)
    • Daytime running lamps (DRL) control module
    • Second gear start switch(V6 VIN K) (Chevrolet w/o NW9)
    • Traction control switch
    • Instrument panel cluster (IPC)
    • Stop lamp switch

10 - AIR BAG

15A

Inflatable restraint sensing and diagnostic module (SDM)

11 - CIGAR/ACCY

25A

    • Accessory power outlet
    • Cigar lighter
    • Data link connector (DLC)

12 - DEFOG/SEATS

30A

    • Seat assembly - driver
    • HVAC control assembly
    • Seat assembly - passenger

13 - STG WHL CNTRL

1A

Steering wheel controls

14 - WIPER/WASH

25A

    • Windshield wiper motor
    • Windshield wiper/washer switch

15 - WINDOWS

30A

    • Folding top relay (with ETA)
    • Folding top switch
    • Window control module
    • Fog lamp relay - rear (Export)
    • Window switch - driver
    • Window switch - front passenger

16 - IP DIMMER

5A

    • Ashtray lamp
    • Courtesy lamp - left door
    • Courtesy lamp - Right door
    • Fog lamp switch
    • Folding top switch
    • Headlamp switch
    • HVAC control assembly
    • Instrument panel cluster (IPC)
    • PRNDL lamp
    • Radio
    • Fog lamp switch - rear (Export)
    • Second gear start switch
    • Traction control switch

17 - RADIO

15A

    • Body control module (BCM)
    • Radio

Fuse Block -- Underhood (Top)


Object Number: 500152  Size: LH

Object Number: 500154  Size: LH

Fuse Block--Underhood (Top) Fuse Application

Fuse

Rating

Description

ABS BAT 1

40A

Electronic brake control module (EBCM)

ABS BAT 2

50A

    • ABS BAT SOL fuse
    • TCS BAT fuse

COOL FAN

40A

    • COOL FAN relay 1
    • COOL FAN relay 2
    • COOL FAN relay 3
    • COOL FAN fuse

H/L DOOR-HORN

50A

    • HORN fuse
    • LH HDLP DR fuse
    • RH HDLP DR fuse

ABS BAT SOL

25A

Electronic brake control module (EBCM)

AIR PUMP

30A

    • AIR pump relay
    • Secondary air injection (AIR) bypass valve

COOL FAN

10A

    • COOL FAN relay 1
    • COOL FAN relay 2
    • COOL FAN relay 3

FUEL PUMP

20A

Fuel pump relay

HORN

20A

Horn relay

LH HDLP DR

15A

Headlamp opening door actuator control module

PCM BAT

10A

Powertrain control module (PCM)

RH HDLP DR

15A

Headlamp opening door actuator control module

TCS BAT

20A

    • Accelerator and servo control module (ASM)
    • Throttle actuator control (TAC) module

Fuse Block--Underhood (Bottom)


Object Number: 500157  Size: LH

Object Number: 500161  Size: LH

Fuse Block--Underhood (Bottom) Fuse Application

Fuse/Circuit Breaker

Rating

Description

ENG CTRL

50A

    • AIR PUMP fuse
    • FUEL PUMP fuse
    • PCM BAT fuse

IGN

50A

    • Ignition relay
    • Ignition switch
    • Starter relay

IP-1

40A

Blower Motor relay

IP-2

40A

    • STOP/HAZARD fuse
    • TAIL LPS fuse

ABS IGN

10A

    • Electronic brake control module (EBCM)
    • Accelerator and servo control module (ASM)

ETC

10A

Throttle actuator control (TAC) module

A/C CRUISE

15A

    • A/C compressor clutch relay
    • Cruise control cancel switch
    • Cruise control module (CCM)
    • Cruise control release switch
    • Multifunction turn signal lever

ENG CTRL

15A

    • Automatic transmission
    • (V6 VIN K) ignition control module (ICM)
    • Evaporative emission (EVAP) canister purge solenoid
    • Evaporative emission (EVAP) canister vent solenoid

ENG SEN

20A

    • Heated oxygen sensor (HO2S)
    • Manual transmission (V8 VIN G)
    • Mass air flow (MAF) sensor
    • Stop lamp switch

INJ 1

15A

    • Fuel injectors (V6 VIN K)
    • Fuel injectors, bank 1 (V8 VIN G)
    • Ignition coils/modules, bank 1 (V8 VIN G)

INJ 2

15A

    • Fuel injectors, bank 2 (V8 VIN G)
    • Ignition coils/modules, bank 2 (V8 VIN G)

PCM IGN

15A

Powertrain control module (PCM)

STRTR

15A

    • Clutch pedal position (CPP) switch
    • Park/Neutral position (PNP) switch
    • Instrument panel cluster (IPC)
    • Powertrain control module (PCM)