Typically there are two fuse boxes: One under the hood normally near the battery and one under the dash. The fastest and easiest way to find the fuse blocks as well as identify which fuse is for what is to consult your owner's manual. Always start with your owner's manual. After checking your fuses you may find out that its a bad bulb that's braking the circuit. If it ends up being a burnt out bulb, see sources and related links below.
DRL.
yes
It is for the trailer running lights.
check fuse
The 2003 Chevrolet trailblazer power control module is located in the fuse box. The fuse box is located in the engine compartment.
It can be your switch or the fuse try checking the fuse first.
It is possible that a fuse blew if the auto headlight and running light system quit working on a 2005 Chevy Trailblazer. It is also possible that the computer is not responding to the set-up mode for the lights to work properly.
under one of the back seats after you fold them down. I think below the fuse box.
the fuse box should be under the back seat on the driver side, if the parking light fuse isn't there it could be under the hood also on the driver side
Check under the rear left seat in the fuse panel. Replace the 15 amp fuse for the stop lamps, you can locate its position by looking in your owners manual.
your bulbs might be blown, if not, try your wiring harnes, see is it has nics or cuts in the wires. or you blew a fuse
where is the fuse for 2004 Chevy trailblazers fan motor