Chevrolet 2000 Lumina Owner's Manual page 196

11. Now start the vehicle with the good battery and run
the engine for a while.
12. Try to start the vehicle with the dead battery.
If it won't start after a few tries, it probably
needs service.
13. Remove the cables in reverse order to prevent
electrical shorting. Take care that they don't touch
each other or any other metal.
5-8
A. Heavy, Unpainted Metal Engine Part
B. Good Battery
C. Dead Battery