GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
338
Vehicle Care
Fuses
Usage
F55
APO 3
–
Auxiliary Power
Outlet 3
F56
DC/DC CNV BATT 1
–
Direct
Current/Direct Current
Converter Battery 1
F57
DC/DC CNV BATT 2
–
Direct
Current/Direct Current
Converter Battery 2
F58
Spare
F59
–
Circuit
Breakers
Usage
CBO1
APO 1
–
Auxiliary Power
Outlet 1
CBO2
APO 2
–
Auxiliary Power
Outlet 2
Relays
Usage
K1
–
K2
RAP/ACCY 1
–
Retain
Accessory Power/
Accessory 1
Relays
Usage
K4
RAP/ACCY 2
–
Retain
Accessory Power/
Accessory 2
K5
–
Rear Compartment Fuse Block
The rear compartment fuse block is behind
the access panel on the left side of the
compartment.
Pull the panel out by grabbing the finger
access slot at the rear edge.
The vehicle may not be equipped with all of
the fuses, relays, and features shown.