Chevrolet Silverado 4500HD 2022 Owner's Manual page 302

300 Vehicle Care
The vehicle may not be equipped with all of
the fuses, relays, and features shown.
Fuses Usage
1 Accessory power outlet 2
Fuses Usage
2 Special equipment option/
Retained accessory power
Fuses Usage
3 Universal garage door
opener/Interior rearview
mirror
4
5 Upfitter Switch 1 & 2
6 Body control module 3
7 Body control module 5
8 Mirror window module
9 Spare
10 Accessory power outlet/
Retained accessory power
11 Accessory power outlet
battery
12 Accessory power outlet 1/
Cigarette lighter
13 Discrete logic ignition
switch
14 Switch backlighting
15
16
17 Body control module 1
18 Upfitter Switch 1 & 2