GMC Envoy Owner's Manual page 448

Fuses
54 Oxygen Sensor Bank B
55 Oxygen Sensor Bank A
56 Injector Bank B
57 Headlamp Driver Module
58 Truck Body Controller 1
59 Electric Adjustable Pedal
Relays
37 Headlamp Washer
38 Rear Window Washer
39 Fog Lamps
40 Horn
Usage
Usage
Relays
41 Fuel Pump
42 Windshield Washer
43 High-Beam Headlamp
44 Air Conditioning
45 Cooling Fan
46 Headlamp Driver Module
47 Starter
49 Electric Adjustable Pedal
60 Powertrain
Miscellaneous
48 Instrument Panel Battery
Usage
Usage
5-105