GMC 2012 Sierra Series Owner's Manual page 449

Fuses Usage
Passenger Side
16 Low-Beam
Headlamp
Air Conditioning
17
Compressor
18 Oxygen Sensors
Transmission
19
Controls (Ignition)
20 Fuel Pump
Fuel System
21
Control Module
22 Not Used
23 Not Used
Fuel Injectors,
24 Ignition Coils
(Left Side)
25 Trailer Park Lamps
Driver Side Park
26
Lamps
Passenger Side
27
Park Lamps
Fuses Usage
28 Fog Lamps
29 Horn
Passenger Side
30 High-Beam
Headlamp
Daytime Running
31
Lamps (DRL)
Driver Side
32 High-Beam
Headlamp
Daytime Running
33
Lamps 2
34 Sunroof
Key Ignition
35 System, Theft
Deterrent System
36 Windshield Wiper
SEO B2 Upfitter
37
Usage (Battery)
Electric Adjustable
38
Pedals
I n f o r ma t i o n P r o v i d e d b y :
Vehicle Care 10-49
Fuses Usage
Climate Controls
39
(Battery)
Airbag System
40
(Ignition)
41 Amplifier
42 Audio System
Miscellaneous
43 (Ignition), Cruise
Control
44 Not Used
Airbag System
45
(Battery)
Instrument Panel
46
Cluster
47 Power Take-Off
Auxiliary Climate
48
Control (Ignition)
Center
49 High-Mounted
Stoplamp (CHMSL)
50 Rear Defogger