- Before connecting an external power supply, switch OFF the battery disconnector of the started and auxiliary vehicle (source) first.
- Remove the socket cover.
- First, plug the connecting cables to the socket of the started vehicle and the other ends to the external source.
- Switch ON the auxiliary vehicle (source) disconnector.
- Just before starting, switch ON the started vehicle disconnector.
- Immediately after engine starting, switch OFF the auxiliary vehicle (source) disconnector and disconnect the connecting cables (first from negative and then from positive terminals).