Chevrolet Trailblazer (2002) - fuse box diagram - Auto Genius Jan 18, 2018Chevrolet Trailblazer (2002) – fuse box diagram Year of production: 2002 Engine Compartment Fuse Block The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle. Mini fuses Usage 1 ECAS 2 Passenger’s Side High-Beam Headlamp 3 Passenger’s Side Low-Beam Headlamp 4 Back-Up Trailer Lamps 5 Driver’s Side High-Beam Chevrolet TrailBlazer - 2002 Fuse Box Diagram TrailBlazer - 2002 Fuse Box; 2-17. Testing the Alarm. The alarm can be tested by following these steps: 1. From inside the vehicle, lower the driver’s window. and open the driver’s door. 2. Activate the system by locking the doors with the. power door lock switch while the door is open, or.