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Connect jumper cables in the following
sequence:
Always observe the sequence below:
1. Connect the positive lead (red) to the
positive termi nal of the discharged battery
first, then connect it to the positive terminal of
the donor battery.
2. First connect the negative cable (bla ck)
to the negative terminal of the donor battery,
then connect it to a suita ble grounding point on
the vehicle with the discharged battery. This
grounding point must lie as far as possible
from the battery. For example, a so lid metal
par t or the engine block are sui table grounding
points. If no suitable grounding points are to
be found on either vehicle, the negative cable
must carefully be connected directly to the
negative terminal of th e battery. If a suitable
grounding point is to be found only on th e
donor vehicle, the negativ e cable must f irst be
connected to th e terminal of the discharged
battery, then to the grounding point of the
donor vehicle.
3. Run the engine of the donor car at a higher
speed.
4. Start the engine. An attem pted start using
jumper cables shoul d not last more than
15 seconds. Then allow a waiting period of
at least one minute.
Note
Before disconnecti ng the jumper cables, electrical
loads such as the heated rear window and the
heating fan blower should be switched on (the
vehicle ’s lights must not be switched on). This
reduces voltage peaks which may occur when
disconn ecting the jumper cables.
5. With the engine running, remove both jump
leads in reverse order.
268Practical Tips, Emergency Service
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