Halo PC(not trial becuz the wraith isnt in the trial)
Halo map tools(or hacker tools your choice)
A computer(if u have a mac then it wont work)
Step 1: Halo Map Tools
and now scroll down to the Vehicles tab u should see vehicles now like a warthog a ghost and one of them should be a wraith click on that and now on the right there should be such other things and at the bottom u should see a tab called Seat click on the tab and then there should be a "0" click on it then some stuff should be checked (for an example MC Invisible is checked - Drives vehicle is checked) now there should be 3 boxes that u can type in one of them says "wraith-driver" change it to "w-driver" witch stands for Warthog driver and press save and close the map.