2004 Toyota Tundra Owners Manual - Page 360

'04 TUNDRA_U (L/O 0309) MATCHING TRAILER BALL HEIGHT TO TRAILER COUPLER HEIGHT No matter which class of tow hitch applies, for a safe trailer hookup, the trailer ball setup on must be the proper height for the coupler on the trailer. BRAKES AND SAFETY CHAINS D Toyota recommends trailers with brakes that conform to any applicable federal and state/provincial regulations. between the towing vehicle and the trailer. Leave sufficient slack in the chain for turns. The chain should cross under the trailer tongue to prevent the tongue from dropping to the ground in case it becomes damaged or separated. For correct safety chain procedures, follow the hitch or trailer manufacturer's recommendations. D A safety chain must always be used FIFTH WHEEL TRAILER NOTICE When towing a fifth wheel trailer, be careful not to hit the cabin or deck by the trailer while making a sharp turn. 1 Coupler 2 Trailer ball 360 2004 TUNDRA from Sep. '03 Prod. (OM34426U)