Chevrolet 1993 Astro Passenger Owner's Manual page 210

Good Battery Dead
Battery
K350
10. Now start the vehicle with the good battery and run the engine for
11. Try to start the vehicle with the dead battery.
awhile.
If it won't start after a few tries, it probably needs service.
GOOD BAlTERY
I
DEAD BAlTERY
K1508
12.
Remove the cables in reverse order to prevent electrical shorting. Take
care that they don't touch each other or any other metal.
5-6