I have a 2007 grand prix gt that is my wifes car I took it to the gas station one day and on the way back the service parking lamps light came on when I got home I noticed that the tail lights and front parking lamps where not workin with doin the checking found fuses and relays ok does any one have a wiring diagram that would show the t/s switch? or any feedback about similair problems would be great? thanks