1988 Chevy Beretta firing order number

Shakes or Wobbles problem
1988 Chevy Beretta 6 cyl Two Wheel Drive Automatic

I have a 1988 chevy beretta v6, and i just need to know the firing order number for it, because my brother tried fixing it, but after he did try, i drove the car and it kep jumping and shaking and when i came to a complete stopped the engine died. then i would turn it back on and itll continue over and over, please help...