Chevrolet Silverado 2015 Owner's Manual page 419

10-46 Vehicle Care
Micro Fuses Usage
(2 Pin)
51 Engine Control
Module
52 Interior Heater
53 Spare
54 Aeroshutter
55 Front Washer
Micro Fuses Usage
(3 Pin)
56 Air Conditioning
Compressor/
Battery Regulated
Voltage Control
57 Air Conditioning
Compressor
Module/
Battery Pack
Micro Fuses Usage
(3 Pin)
58 Transmission
Control Module/
Engine Control
Module
59 Headlamps
Micro Usage
Relays
60 Fuel Pump
61 Upfitter 2
62 Upfitter 3
63 Upfitter 4
64 Trailer Parking
Lamps
65 Run/Crank
66 Upfitter 1
Micro Usage
Relays
67 Fuel Pump 2
68 Air Conditioning
Control
69 Starter
Mini Relays Usage
70 Rear Window
Defogger
71 Engine Control
Module
Solid State Usage
Relay
72 Cooling Fan Clutch