on a 2002-2006, one is located on the front of the steering column, the other is on the outside of the driver seat frame
on a 2007-2008 on is under the left corner of the dash, the other is on the...
you can put a turbo on a stealth but if the engine is made to be NA (naturally aspirated) then it would reqire a lot of work by a trained mechanic it would be cheaper to buy the R/t twin turbo...
I'm thinking you have a diesel, if so Banks makes some great kits. Now this is not a sales pitch or endorsement but here is their site.http://www.bankspower.com/app/index/2