GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
10-34 Vehicle Care
Item Usage
77 RC Upfitter 1 and 2
78 VBAT Upfitter 1 and 2
83 Euro Trailer RC
84 Run/Crank Relay
87 Engine
88 Injector A – Odd
89 Injector B – Even
90 Oxygen Sensor B
91 Throttle Control
92 Engine Control Module
Relay
93 Horn
94 Fog Lamps
95 High-Beam Headlamps
100 Oxygen Sensor A
101 Engine Control Module
102 Engine Control Module/
Transmission Control
Module
Item Usage
103 Auxiliary Interior Heater
104 Starter
107 Aero Shutter
109 Police Upfitter
112 Starter Relay
114 Front Windshield
Washer
115 Rear Window Washer
116 Cooling Fan Left
121 Right HID Headlamp
122 Left HID Headlamp
123 Cooling Fan Right
Instrument Panel Fuse
Block (Left)
The left instrument panel fuse block
access door is on the driver side
edge of the instrument panel.
Pull off the cover to access the fuse
block.