- Before connecting the booster battery, make sure the ignition is off.
- Make sure that all electrical equipment (lights, heater, windshield wipers, etc.) is turned off
- Make sure the booster battery has the same voltage as yours.
- If another vehicle's battery is used as a booster battery, the vehicles MUST NOT TOUCH each other.
- Make sure the transmission is in Neutral (or PARK for automatic transmission).
1. Connect one end of the red jumper cable to the positive (+) terminal of the dead battery.
2. Connect the other end of the red wire to the positive (+) terminal of the booster battery
3. Connect one end of the black jumper cable to the negative (-) terminal of the booster battery.
4. Attach the other end of the black wire to a bolt or bracket on the engine so that it is located away from the battery.
5. Make sure that the portable wires do not touch the fan, drive belts or other moving parts of the engine.
6. Start the engine from the auxiliary battery. When the engine starts to idle steadily, disconnect the portable wires in the reverse order of connection.
Jump-starting from another car can, of course, temporarily solve your problem. However, it is important to find out the reason that led to the battery discharge. There can be three such reasons:
1. The battery may have been discharged from repeated attempts to start the engine or because the external lights were not turned off.
2. The battery charging system is faulty (the generator drive belt is loose or broken, or the generator wiring is faulty, or the generator itself is faulty).
3. The battery itself is faulty (low electrolyte density or damaged plates).