Rxmotoring 2002-2009 Chevy Trailblazer Fog Lights + Drl 8 Led Bumper Lamps This Item Is For 2002-2009 Chevy Trailblazer Come With 880 Lights Bulbs Installation Guide / Wiring Diagarm is not Available. ***PROFESSIONAL INSTALLATION HIGHLY RECOMMENDED*** Come With daytime running light (DRL) which produces a LED strip similiar to latest European car style (8 LED Light Per Side) Wiring for These DRL is Required and Simple, You Can Wire These DRL as Backup Lights, Daytime Lights, Parking Lights, Fog Lights, or even Signal Lights