trailer hitch question and pin connector.

[Expedition man]

Hello i'm looking to buy a expedition either 03 to 05.how do i tell which hitch it has and where is the 7 pin connector for the trailer at?i'm looking on cars.com and really can't tell which connector it has.thanks

 

[tallsville]

here is a pic of the hitch. 7pin on top 4pin on the bottom

 

[Expedition man]

Thank you very much.you ROCK.

 

[Jay87LX]

Most will come with the 7 pin, you can buy an adapter at any autoparts store for less than $20