GMC 2008 Yukon Denali Owner's Manual page 451

Fuses
47 Power Take-Off
Auxiliary Climate Control (Ignition),
48
Compass-Temperature Mirror
Center High-Mounted Stoplamp
49
(CHMSL)
50 Rear Defogger
51 Heated Mirrors
52 SEO B1 Upfitter Usage (Battery)
Cigarette Lighter, Auxiliary Power
53
Outlet
Automatic Level Control Compressor
54
Relay, SEO Upfitter Usage
55 Climate Controls (Ignition)
Engine Control Module, Secondary
56
Fuel Pump (Ignition)
J-Case Fuses
60 Cooling Fan 1
61 Automatic Level Control Compressor
62 Heavy Duty Antilock Brake System
63 Cooling Fan 2
64 Antilock Brake System 1
65 Starter
66 Stud 2 (Trailer Brakes)
67 Left Bussed Electrical Center 1
Usage
Usage
J-Case Fuses
68 Electric Running Boards
69 Heated Windshield Washer System
70 Not Used
Stud 1 (Trailer Connector
71
Battery Power)
72 Mid-Bussed Electrical Center 1
73 Climate Control Blower
74 Power Liftgate Module
75 Left Bussed Electrical Center 2
Relays
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
ENG EXH VLV Not Used
FAN CNTRL Cooling Fan Control
HDLP LO/HID Low-Beam Headlamps
FOG LAMP Front Fog Lamps
A/C CMPRSR Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FUEL PMP Fuel Pump
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRANK Switched Power
Usage
Usage
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