Chevrolet 2007 TrailBlazer Owner's Manua page 505

Fuses
5 Driver's Side High-Beam Headlamp
6 Driver's Side Low-Beam Headlamp
7 Windshield Wiper
8 Automatic Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigarette Lighter
14 Not Used
15 Electric Adjustable Pedal
16 Truck Body Controller, Ignition 1
17 Crank
18 Airbag
19 Trailer Electric Brake
20 Cooling Fan
Usage Fuses
21 Horn
22 Ignition E
23 Electronic Throttle Control
Instrument Panel Cluster,
24
Driver Information Center
Automatic Shift Lock Control
25
System
Transmission Control Module
26
(TCM) Canister
27 Backup
28 Powertrain Control Module 1
29 Oxygen Sensor
30 Air Conditioning
31 Truck Body Controller 1
32 Trailer
33 Anti-lock Brakes (ABS)
34 Ignition A
35 Blower Motor
Usage
505