1999 GMC Sierra 1500 Pickup Owner's Manual - Page 348

,. * . ' Service & Appearance Care Truck-Camper Loading Information Openyourgloveboxdoorand look forthislabel: PO338 Thislabelwilltellyouhowmuch of aloadyourvehiclecancarry,andhow Also, itwillhelpyoumatchtheright to spreadoutyourloadtherightway. slide-in camper to your vehicle. Whenyoucarryaslide-incamper,thetotalcargoload plus weightofthecamper, everythingelseaddedtothecamperafter everythinginthecamper;and allthepeopleinside. I neCargoWeightRating(CWR)isthemaximumweightoftheloadyour vehiclecancarry. It doesn'tincludetheweightofthepeopleinside.But,you canfigureabout 150 pounds for eachseat. of yourvehicleisthe it leftthefactory;