GMC 2008 Envoy - Manual (Page 412)

Fuses Usage
09 Rear Wiper
10 Driver Door Module
11 Amplifier
12 Passenger Door Module
13 Rear Climate Controls
14 Driver Side Rear Parking Lamps
15 Blank
16
Vehicle Center High-Mounted
Stoplamp (CHMSL)
17
Passenger Side Rear Parking
Lamps
18 Locks
19
Liftgate Module/Driver Seat
Module
20 Blank
Fuses Usage
21 Lock
23 Blank
24 Unlock
25 Blank
26 Blank
27
OnStar ® Overhead
Battery/OnStar ® System
28 Sunroof
29 Not Used
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
5-118