GMC 1993 Suburban Owner's Manual page 238

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K2506
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.
care that they don't touch each other or any other metal.
12. 'Remove the cables in reverse order to prevent electrical shorting. Take
HEAVY
ENGINE
PART
DEAD B A l T E R I
K1508
5-6