1993 Pontiac Grand Prix Owner's Manual - Page 178

Weight of the Trailer Tongue The tongue load(A) of any trailer is an important weightto measure because it affectsthe total capacity weight of your vehicle. The capacity weight includesthe curb weight ofthe vehicle, any cargo you maycarry in it, and the people who will beriding in the vehicle. Andif you will tow a trailer, you must subtract the tongue load from your vehicle's capacity weight because your vehicle will be carrying that weight, too. See the Index under Loading Your Vehicle for more informationabout your vehicle's maximum load capacity. Total Weight on Your Vehicle's Tires The trailer tongue(A) should weigh Be sure your vehicle'stires areinflated 10%of the totalloaded trailer weight to thelimit for cold tires. You will find (B). After you've loaded your trailer, weigh the trailerand then the tongue, these numbers on the Certification label at the rear edge of the driver's separately, to see if the weights are door, or see theIndex under Tire proper. If they aren't,you may be able Loading. Then be sure you don't go to get them right simplyby moving over the GVW limit for your vehicle. some items around in the trailer. Hitches It's important to have the correct hitch equipment. Crosswinds, large trucks going by, and rough roads are a few reasons why you'll needthe right hitch. Here are some rules to follow: Will you have to make any holes in the body of your vehiclewhen you install a trailer hitch? If you do, then be sure 177