I took it to mechanic and they said they cant figure it out. The battery and starter are fine. The dash has no lights, but the interior of the cab does?

 

What did it die from?

 

Welcome! Please post some relevant details of your problem so smart folks here can help you! Your current post is like going to the doctor and saying "I'm sick", but giving them no other clues on how to help you!
I assume it doesn't start?