Sierra Denali RWD V8-6.2L (2009)
Fuse 39 ..................................................................................................................................................................................... Climate Controls (Battery)
Fuse 40 ....................................................................................................................................................................................... Airbag System (Ignition)
Fuse 41 ............................................................................................................................................................................................................... Amplifier
Fuse 42 ......................................................................................................................................................................................................... Audio System
Fuse 43 ............................................................................................................................................................... Miscellaneous (Ignition), Cruise Control
Fuse 44 ................................................................................................................................................................................................................ Not Used
Fuse 45 ........................................................................................................................................................................................ Airbag System (Battery)
Fuse 46 ........................................................................................................................................................................................ Instrument Panel Cluster
Fuse 47 ..................................................................................................................................................................................................... Power Take-Off
Fuse 48 ..................................................................................................................................................................... Auxiliary Climate Control (Ignition)
Fuse 49 ........................................................................................................................................................... Center High-Mounted Stoplamp (CHMSL)
Fuse 50 ........................................................................................................................................................................................................ Rear Defogger
Fuse 51 ....................................................................................................................................................................................................... Heated Mirrors
Fuse 52 .......................................................................................................................................................................... SEO B1 Upfitter Usage (Battery)
Fuse 53 ............................................................................................................................................................. Cigarette Lighter, Auxiliary Power Outlet
Fuse 54 ............................................................................................................................................................................................... SEO Upfitter Usage
Fuse 55 .................................................................................................................................................................................... Climate Controls (Ignition)
Fuse 56 .................................................................................................................................... Engine Control Module, Secondary Fuel Pump (Ignition)
J-CASE FUSES ...................................................................................................................................................................................................... USAGE
Fuse 57 ........................................................................................................................................................................................................ Cooling Fan 1
Fuse 58 ................................................................................................................................................................................................................ Not Used
Fuse 59 ...................................................................................................................................................................... Heavy Duty Antilock Brake System
Fuse 60 ........................................................................................................................................................................................................ Cooling Fan 2
Fuse 61 ....................................................................................................................................................................................... Antilock Brake System 1
Fuse 62 .................................................................................................................................................................................................................... Starter
Fuse 63 .......................................................................................................................................................................................... Stud 2 (Trailer Brakes)
Fuse 64 ............................................................................................................................................................................. Left Bussed Electrical Center 1
Fuse 65 ................................................................................................................................................................................................................ Not Used
Fuse 66 ....................................................................................................................................................................... Heated Windshield Washer System
Fuse 67 ......................................................................................................................................................................................................... Transfer Case
Fuse 68 ........................................................................................................ Stud 1 (Trailer Connector Battery Power) (Optional - 40A Fuse Required)
Fuse 69 ............................................................................................................................................................................. Mid-Bussed Electrical Center 1
Fuse 70 ......................................................................................................................................................................................... Climate Control Blower
Fuse 71 ................................................................................................................................................................................................................ Not Used
Fuse 72 ............................................................................................................................................................................. Left Bussed Electrical Center 2
RELAYS .................................................................................................................................................................................................................. USAGE
FAN HI ....................................................................................................................................................................................... Cooling Fan High Speed
FAN LO ....................................................................................................................................................................................... Cooling Fan Low Speed
FAN CNTRL ..................................................................................................................................................................................... Cooling Fan Control
HDLP LO/HID ................................................................................................................................................................................ Low-Beam Headlamp
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
Junction Block - Rear Lamps
Electrical Center Identification Views
Junction Block - Rear Lamps