taillight

So, I just installed my new Spyder Halo Headlights with LED's. Now my running taillights don't work, neither does the gauge cluster lighting or the HVAC control lights. They were simple quick connects that were not hard to install (even for a novice like me) but now the taillights don't work...

new to my cobalt and to the forums! just bought 2010 black cobalt lt coupe about a week or 2 ago. ive been looking at aftermarket head and tail lights and on most of the ones that i find it says 05-07 or 05-08 cobalts or something similar, will these fit my new cobalt or is there a difference...