GMC 2008 Sierra 1500 Pickup Owner's Manual page 425

Fuses
Engine Control Module,
5
Throttle Control
6 Trailer Brake Controller
7 Front Washer
8 Oxygen Sensor
9 Antilock Brakes System 2
10 Trailer Back-up Lamps
11 Driver Side Low-Beam Headlamp
12 Engine Control Module (Battery)
Fuel Injectors, Ignition Coils
13
(Right Side)
Transmission Control Module
14
(Battery)
15 Vehicle Back-up Lamps
Passenger Side Low-Beam
16
Headlamp
17 Air Conditioning Compressor
18 Oxygen Sensors
Usage Fuses
19 Transmission Controls (Ignition)
20 Fuel Pump
21 Fuel System Control Module
22 Not Used
23 Not Used
Fuel Injectors, Ignition Coils
24
(Left Side)
25 Trailer Park Lamps
26 Driver Side Park Lamps
27 Passenger Side Park Lamps
28 Fog Lamps
29 Horn
Passenger Side High-Beam
30
Headlamp
31 Daytime Running Lamps
32 Driver Side High-Beam Headlamp
33 Daytime Running Lights 2
Usage
5-113