NASCAR Thunder 2003 Cheats

Create a save file for a 2003 EA Sports game on the hardrive or memory card.
Then insert the NASCAR Thunder 2003 game disc.
If done correctly you will get the Tiburon International Speedway Track when you go to the main menu.

In order to Unlock a night track, the track must beable to have this option, then simply race on that track and win, but you must race under Veteran or Legend difficulty.

To unlock a paint scheme for a certain driver (John Andretti, Dale Jarrett, etc) you must do a race under Veteran or Legend mode and win the race.

To race as Dale Earnhardt go to create a car option. Enter Dale as the first name and Earnhardt as the last name then just go to continue and you should automatically recieve a plate for Earnhardt Sr.

Create a new driver-
In the first name enter extra
In the last name enter drivers

This should give you Non-Nascar Drivers

To unlock the 31st Lightning Challenge you must win 8 championships in Career Mode