1997 GMC Sonoma Owner's Manual - Page 204

7. Don't let the other end touch metal. Connect it to thepositive (+) terminal of the good battery. 1 9. I I Attach the cable at least 18 inches (45 cm) away from the dead battery, but not near engine parts that move. The electrical connection is justas good there, but the chance of sparks getting back to the battery is much less. 8. Now connect the black negative (-) cable to the good battery's negative (-) terminal. Don't let the other end touch anythmg until the next step. The other end of the negative cable doesn't go to the dead battery. It goes to a heavy unpainted metal part on the engine of the vehicle with the dead battery. 10. Now start the vehicle with the good battery and run the engine for a while. 11. T y to start the vehicle with the dead battery. If it r won't start after a few tries, make sure all connections are good. If it still won't start, it probably needs service. 5-6 r L A CAUTION: I Fans or other moving engine parts can injure you badly. Keep your hands away from moving parts once the engines are running.