Who knew DRL's were such a problem. Here are a few sites that feature how to disable DRL's, including a link to the Association of Drivers Against DRLS.
http://www.xse.com/leres/ss/drl.html
http://members.tripod.com/bpador/modinstruction.html
Just about half way down the page of this link, http://www.lightsout.org/disable.html#GMspec, you will see a section on the Camaro and Firebird that includes where the DRL module is located.