GMC SIERRA 2020 Owner's Manual page 378

Back
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.
Fuses Usage
F1 Right doors
F2 Left doors
F3 Universal remote
system
F4
F5
F6 Front blower
F8 Lumbar switch
F10 Body control
module 6/Body control
module 7
F11 Seat/CLM
F12 Body control
module 3/Body control
module 5
F14 Mirrors/Windows
module
F17 Steering wheel
controls
F18 VPM/OBS DET
Vehicle Care
Fuses Usage
F19 DLIS
F20 Ventilated seats
F21 NOT R/C
F22 Heated steering wheel
F23 MISC R/C
F24 Instrument panel
cluster ignition/
Overhead
F25 Heating, ventilation,
and air conditioning
ignition/Heating,
ventilation, and air
conditioning auxiliary
F26 USB ports/Special
equipment option
retained accessory
power
F27 Accessory power
outlet/retained
accessory power
F28 Accessory power
outlet/Battery
377