Chevrolet 2009 Suburban Owner's Manual page 521

Fuses
47 Not Used
48 Auxiliary Climate Control (Ignition)
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
55 Climate Controls (Ignition)
Engine Control Module, Secondary
56
Fuel Pump (Ignition)
J-Case Fuses
57 Cooling Fan 1
58 Automatic Level Control Compressor
59 Heavy Duty Antilock Braking System
60 Cooling Fan 2
61 Antilock Brake System 1
62 Starter
63 Stud 2 (Trailer Brakes)
64 Left Bussed Electrical Center 1
Usage
Usage
J-Case Fuses
65 Electric Running Boards
66 Heated Windshield Washer System
67 Transfer Case
Stud 1 (Trailer Connector Battery
68
Power)
69 Mid-Bussed Electrical Center 1
70 Climate Control Blower
71 Power Liftgate Module
72 Left Bussed Electrical Center 2
Relays
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
Usage
Usage
5-121