GMC 2010 Sierra Denali Owner's Manual page 494

Fuses
31 Daytime Running Lamps (DRL)
32 Driver Side High-Beam Headlamp
33 Daytime Running Lights 2
34 Sunroof
Key Ignition System, Theft Deterrent
35
System
36 Windshield Wiper
37 SEO B2 Upfitter Usage (Battery)
38 Electric Adjustable Pedals
39 Climate Controls (Battery)
40 Airbag System (Ignition)
41 Amplifier
42 Audio System
Miscellaneous (Ignition), Cruise
43
Control
44 Not Used
6-120
Usage Fuses
45 Airbag System (Battery)
46 Instrument Panel Cluster
47 Power Take-Off
48 Auxiliary Climate Control (Ignition)
Center High-Mounted Stoplamp
49
(CHMSL)
50 Rear Defogger
51 Heated Mirrors
52 SEO B1 Upfitter Usage (Battery)
Cigarette Lighter, Auxiliary Power
53
Outlet
54 SEO Upfitter Usage
55 Climate Controls (Ignition)
Engine Control Module, Secondary
56
Fuel Pump (Ignition)
Usage