How to Jump Start a Car Safely, Step by Step
How to Jump Start a Car Safely, Step by Step Quick Answer To learn how to jump start a car safely , attach the clamps in this exact jumper cables order : connect the red clamp to the dead battery’s positive (+) post, the opposite red clamp to the booster battery’s positive (+) post, and the black clamp to the booster battery’s negative (-) terminal. Finally, attach the remaining black clamp to an unpainted metal ground on the dead car’s engine block. Run the donor vehicle for 3 to 5 minutes, start the stalled car, and carefully disconnect in exact reverse order. Your car clicks, but it won't start. That's a common dead car battery jump start moment, and you can usually handle it with what you already own: a set of jumper cables and another 12-volt vehicle. The safest approach is simple, though. Park both vehicles, match battery polarity carefully, connect the clamps in the proper sequence, and avoid attempting a jump if the casing looks damaged or if ...