GMC Express 2011 Owner's Manual page 317

Mini Fuse Usage
17 Transmission
Air Conditioning
18
Compressor
Engine Control
19
Module Battery
20 Spare
Left Stop/Turn
21
Trailer
22 Spare
23 Spare
24 Fuel Pump
Auxiliary Power
25
Outlet
Body Control
26
Module 3
Mini Fuse Usage
Special Equipment
27
Option
28 Airbag
Steering Wheel
29
Sensor
Engine Control
30 Module Ignition/
Glow Plug Module
Transmission
31 Control Module
Ignition
Transmission
32 Control Module
Battery
33 Spare
34 Spare
Vehicle Care
Mini Fuse Usage
Fuel Operated
35
Heater Module
Fuel System
36 Control Module
Battery
Left High Beam
51
Headlamp
Right High Beam
52
Headlamp
Left Low Beam
53
Headlamp
Right Low Beam
54
Headlamp
55 Wiper
Canister Vent
56
Solenoid
10-47