where is the charging system located on 2006 chevy hhr

not sure what you mean," charging system ". it is a system ,as so it is incorpated in differant parts of the car. ie- alternator, fuses, battery, wiring and electrical loads. the alternator is bolted to the engin and driven by a belt. the fuses are in the fuse box, either under hood or under dash, the battery can be placed any were depending on type of vechical. ex- under hood, in trunk, in fender, under seat. let us know what type of problem you are having. if you have the owners manuel it will show locations of battery, fuses, ect..