UNDERHOOD Electrical Centers

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Underhood Electrical Centers

Courtesy of GENERAL MOTORS CORP.

Fig 2: Identifying Top Underhood Fuse Block Components

Courtesy of GENERAL MOTORS CORP.

TOP UNDERHOOD FUSE BLOCK LEGEND

Fuse	Rating	Description
ABS BAT 1	40A	Electronic brake control module (EBCM)
ABS BAT 2	50A	ABS BAT SOL ruse 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

Fig 3: Identifying Bottom Underhood Fuse Block Components

Courtesy of GENERAL MOTORS CORP.

BOTTOM UNDERHOOD FUSE BLOCK LEGEND

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)