1994 GMC Jimmy Owner's Manual - Page 208

Heavv Metal Engine Part I 7 9. Attach the cable at least 18 inches cm) away from the dead battery, (45 but not nearengine parts that move. The electrical connection is as just good there, but the chance of sparks getting back to the battery is much less. 10. Now start the vehicle with the good battery and the engine for a run while. the 11. Try to start the vehicle with dead battery.If it won't start aftera few tries, it probably needs service. 12. Remove the cables in reverse order to prevent electrical shorting. Take care that they don't touch each other orany other metal. Remove Cables In This Order: 2 3 1. HeavyMetal Engine Part 2. Good Battery (-) 3. Good Battery (+) 4 4. Dead Battery (+) 5-6