- Make sure that the booster battery is the same voltage as the discharged one in the vehicle.
- If the battery is being jump-started from the battery in another vehicle, the two vehicles MUST NOT TOUCH each other.
- Make sure that the transmission is in neutral (or PARK, in the case of automatic transmission).
1. Connect one end of the red jump lead to the positive (+) terminal of the flat battery
2. Connect the other end of the red lead to the positive (+) terminal of the booster battery.
3. Connect one end of the black jump lead to the negative (-) terminal of the booster battery
4. Connect the other end of the black jump lead to a bolt or bracket on the engine block, well away from the battery, on the vehicle to be started.
5. Make sure that the jump leads will not come into contact with the fan, drivebelts or other moving parts of the engine.
6. Start the engine using the booster battery and run it at idle speed. Switch on the lights, rear window demister and heater blower motor, then disconnect the jump leads in the reverse order of connection. Turn off the lights etc.