GMC 2008 Envoy - Manual (Page 413)

Fuses Usage
35 Transmission Control Module
36
Heat Ventilation Air
Conditioning B
37 Front Parking Lamps
38 Driver Side Turn Signal
39
Heat Ventilation Air
Conditioning 1
40 Truck Body Controller 4
41 Radio
42 Trailer Park
Fuses Usage
43 Passenger Side 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
5-119