GM Service Manual Online
For 1990-2009 cars only

Hybrid Auxiliary Underhood Fuse Block

The hybrid underhood fuse block is located in the engine compartment near the front of the vehicle. Lift the cover for access to the fuse/relay block. See Engine Compartment Overview for more information on its location. For more information on the main underhood fuse block, see "Underhood Fuse Block" in the owner manual.


Object Number: 1954577  Size: B3

Fuses

Usage

1

ACPO

2

BECM FAN

3

ACCM

4

CAB HTR PMP

5

EMPTY

6

COOL PUMP

7

EPS

8

Drive Motor/Generator Control Module 1

9

Drive Motor/Generator Control Module 2

10

BECM


J-Case

Usage

FAN 1

Cooling Fan 1

TRANS PUMP

Auxiliary Transmission Fluid Pump

FAN 2

Cooling Fan 2

CAB HTR PMP

Cab Heater Pump


Relays

Usage

FAN LOW

Cooling Fan Low Speed Relay

FAN MID 1

Cooling Fan Mid 1

FAN HI

Cooling Fan High Speed Relay

FAN MID 2

Cooling Fan Mid 2

FAN CNTRL

Cooling Fan Control