Keep the metal clamps from touching each other while clipping onto the batteries.
- First, attach a RED clamp to the positive terminal of the DEAD battery.
- Next, attach the RED clamp from the other end of the cables to the BOOSTER battery’s positive terminal.
- Then, attach the BLACK clamp to the negative terminal of the BOOSTER battery.
- Last, attach the BLACK clamp an unpainted metal part on the engine, such as a bolt or bracket, of the car with the DEAD battery. Some models have a grounding bolt placed solely for this purpose.