One problem related to tail light has been reported for the 1999 Ford F-350. The most recently reported issues are listed below.
Air-bag deployed when vehicle experienced a flat tire on rear of truck while pulling a 24-foot stock-trailer ,Ford dealer was contacted about the problem and wont look into the problem or fix it under warranty. The truck is used as a farm vehicle and is jarred around all the time in pastures and if it is possible they need to try and look into farm trucks to come with a shutoff for airbags if possible or better system. Also the rear tail lights were inoperative.