1995 GMC Sonoma Owner's Manual - Page 189

Good Batterv (+) 7. Don't let the other end touch metal. Connect it to positive (+) the terminal of the good battery. 8. Now connect the black negative (-) cable to thegood battery's negative (-) terminal. Don't let the other end touch anything until the next step. Theother end of the negative cable doesn'tgo to the dead battery. It goes to a heavy unpainted metal part on the engine of the vehicle with the dead battery. Good Battery (-) Heavy Metal Engine Part 9. 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 just as good there, but the chance of sparks getting back to the battery is much less. 5-5