1993 GMC Safari Owner's Manual - Page 201

Weight of the Trailer Tongue The tongue load (A) of any trailer is an important weight to measure because it affects the total or gross weight of your vehicle. The gross vehicle weight (GVW) includes the curb weight of the vehicle, any cargo you may carry in it, and the peoplewhowillberiding in thevehicle.Andifyouwilltowatrailer,youmust will becarryingthat addthetongue load tothe GVWbecauseyourvehicle in theIndexformoreinformationabout weighttoo.See"LoadingYourVehicle yourvehicle'smaximum load capacity. 7 A B AN490002 - If you're using a "dead-weight" hitch, the trailer tongue (A) should weigh 10% of (B). If youhavea"weight-distributing"hitch,the thetotalloadedtrailerweight (B). trailertongue(A) should weigh 12% of thetotalloadedtrailerweight After you've loaded your weightrailer then trailer, the and the tongue, to separately, to see if theweights are proper. If theyaren't,youmaybeable getthemrightsimply by movingsomeitemsaround in thetrailer. TotalWeight on Your Vehicle'sTires Besureyourvehicle's tires areinflated to thelimitfor cold tires. You'll find these numbers on the Certification label at the rear edge of the driver's door (or GVW see the "Tire Loading" in the Index.) Then be sure you don't go over the limit for your vehicle. 4-45