Same here.I had the condensation when i first bought it but it went away within a day or two.
Actually, there is a service bullitin out for this situation for the Grand Cherokee. It states that air and moisture are trapped inside the light housing during manufacture and is affected by temperature causing the condensation. It goes on to state that it will dissipate over time and will harm nothing. Chrysler said they purposely put a little hole in the light housing to allow the air and moisture to escape. They say the customer should attempt to do nothing and to let it cure itself.. . . . um, that is no good. Prepare for premature bulb burnouts.