When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I'm not real sure, but I think it's the trailer wiring sans the brake controller until you get up to the 2005 model year. Maybe a bigger transmission cooler as well for the gassers?
My 2000 has the 4 pin in the rear as well. The kit that came with my truck as the towing package contained 2 relays and 2 30amp fuses that can be used to hook up either a 6 or 7 pin connector. All of my wiring is there just need to be hooked up. It also came with the connector to hook up under the dash for a brake controller.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.