1996 Ford Windstar Owner's Manual - Page 256

4. Subtract vehicle actual weight from the GVWR to find out how much more weight your vehicle can carry. 5. Weigh the vehicle again once it is loaded to make sure that the GVWR and front and rear GAWR's are not exceeded. Trailer towing table If you suspect that your payload is excessive, have your vehicle weighed at a highway weight station or another appropriate commercial facility. Fill the fuel tank. Weigh the total vehicle and trailer (if applicable), then separately weigh the vehicle at the front and rear wheels. Finally, weigh the trailer separately if applicable. Trailers Towing a trailer safely means having the proper weight on the tongue (usually 10-15% of the trailer weight). If your vehicle exceeds the GVWR, remove cargo from your vehicle accordingly. If your vehicle exceeds either GAWR, shift the load or remove cargo accordingly. 254