I have LED Reverse Lights. Same thing happens to me. Either they are really cheap or, like mentioned above, really efficient. I could dust of my EE coursework to find out but I don't want to know that much
08 GT/CS "Crimson"
FRPP 4.10 Gears w/ Carbon Clutch Packs, JLT Series III Intake, Bama 93R Tune, Summit Racing O/R H pipe, Borla Stingers, Eibach Pro Springs, GT500 Spoiler, VHT sprayed turn signals and side markers, black vinyl decklid wrap, SHR CS Grill Insert, LED Reverse Lights