GMC Sierra 2018 Owner's Manual page 376

Fuses Usage
19
20
22 Heating, ventilation,
and air conditioning/
Auxiliary heating,
ventilation, and air
conditioning/Ignition
23 Instrument cluster/
Ignition sensing
diagnostic module/
Ignition
24
25 Data link connector/
Driver seat module
26 Passive entry/Passive
start/Heating,
ventilation, and air
conditioning
27
28
29 Park enable/
Electrically adjustable
pedals
Fuses Usage
30 Special equipment
option
31 Accessory/Run/Crank
32 Heated steering wheel
33
34 Instrument cluster
36
37
38 4WD transfer case
electronic control
40 Left doors
41 Driver power seat
43 Left heated, cooled or
ventilated seats (if
equipped)
44 Right heated, cooled
or ventilated seats (if
equipped)
45
Relays Usage
49 Retained accessory
power
Vehicle Care
Relays Usage
50 Run/Crank
375