GMC 2007 Yukon XL Owner's Manual page 545

Fuses
1 Not Used
Electronic Stability Suspension
2 Control, Automatic Level Control
Exhaust
3 Left Trailer Stop/Turn Lamp
4 Engine Controls
Engine Control Module, Throttle
5
Control
6 Right Trailer Stop/Turn Lamp
7 Front Washer
8 Oxygen Sensors
9 Anti-lock Brakes System 2
10 Trailer Back-up Lamps
11 Driver's 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's Side Low-Beam
16
Headlamp
17 Air Conditioning Compressor
18 Oxygen Sensors
19 Transmission Controls (Ignition)
Usage Fuses
20 Fuel Pump
21 Not Used
22 Rear Washer
Fuel Injectors, Ignition Coils
23
(Left Side)
24 Trailer Park Lamps
25 Driver's Side Park Lamps
26 Passenger's Side Park Lamps
27 Fog Lamps
28 Horn
Passenger's Side High-Beam
29
Headlamp
30 Daytime Running Lamps
31 Driver's Side High-Beam Headlamp
32 Daylight Running Lamps 2
33 Sunroof
Key Ignition System, Theft Deterrent
34
System
35 Windshield Wiper
36 SEO B2 Upfitter Usage (Battery)
37 Electric Adjustable Pedals
38 Climate Controls (Battery)
39 Airbag System (Ignition)
40 Amplifier
Usage
545