GMC 2005 Envoy Owner's Manual page 434

Fuses
22 Retained Accessory Power
23 Blank
24 Unlock
25 Blank
26 Blank
OnStar
27
Battery/OnStar
28 Sunroof
29 Rainsense™ Wipers
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 Transmission Control Module
Heat Ventilation Air
36
Conditioning B
37 Front Parking Lamps
38 Left Turn Signal
Heat Ventilation Air
39
Conditioning 1
5-102
Usage
®
Overhead
®
System
Fuses
40 Truck Body Controller 4
41 Radio
42 Trailer Park
43 Right Turn Signal
44 Heat Ventilation Air Conditioning
45 Rear Fog Lamps
46 Auxiliary Power 1
47 Ignition 0
48 Four-Wheel Drive
49 Blank
50 Truck Body Controller Ignition
51 Brakes
52 Truck Body Controller Run
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Usage