try under rear seat
check fuses , daytime and lights on use diff fuses.
check the fuses..
Dashboard lights and stick shift lights are fixable by changing blown fuses and replacing them with new fuses. Many automobiles have several fuses that operate the dashboard and stick shift lights.
check your fuses
where is the fuse for 2004 Chevy trailblazers fan motor
Check the fuses first
First check the fuses.
Be sure that the dash light dimmer control is not turned off and check the fuses.
Turn on the dashboard lights, and start removing the fuses one by one. When the dashboard light turned off, that is the good fuse. If the dashboard fuse is burnt, start replacing the fuses one by one, and when the dashboard will light up that is the place of the burnt fuse.
under the rear seats and also under the hood.