Chevrolet 2009 TrailBlazer Owner's Manual page 429

Fuses
01 Passenger Door Control Module
02 Driver Door Control Module
03 Liftgate Module 2
04 Truck Body Controller 3
05 Rear Fog Lamps
06 Blank
07 Truck Body Controller 2
08 Power Seats
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
Vehicle Center High-Mounted
16
Stoplamp (CHMSL)
Passenger Side Rear Parking
17
Lamps
18 Locks
Liftgate Module/Driver Seat
19
Module
20 Blank
21 Lock
Usage
5-123