1995 Pontiac Grand Am Owner's Manual - Page 176

If you're using a "dead-weight"hitch, the trailertongue (A) should weigh 10%of the total loaded trailer weight (B). If you have a "weight-distributing" hitch, the trailer tongue (A) should weigh 12% of the total loaded trailer weight (E). After you've loaded your trailer, weigh trailer and the then the tongue, separately, see if the weights are to proper. If they aren't, you may able to get them right be simply by moving some items around the trailer. in Hitches It's important to have the correct hitch equipment. Crosswinds, large trucks going by, and rough roadsare a few reasons why you'll need the right hitch. Here are some rules to follow: Will youhave to make any holes in bodyof your the vehicle when youinstall a trailer hitch? If youdo, then be sure to seal the holes later when youremove the hitch. If youdon't seal them, deadly carbon monoxide (CO) from your exhaustcan get into your vehicle (see "Carbon Monoxide"in theIndex). Dirt and water can, too. 0 Total Weight an Your Vehicle's Tires Be sure your vehicle's tires inflated to the are recommended pressure for cold tires. You'll find these numbers on the Certification label at the rear edge of the driver's dooror see "LoadingYour Vehicle" in the Index. Then be sure you don't over the go GVW limit for your vehicle, including weight ofthe trailer the tongue. The bumpers on your vehicle are not intended for hitches. Do not attach rental hitches or other bumper-type hitches to them. Use only a $he frame-mounted hitch that does notattach to bumper. - " 4-33