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Vehicle Battery
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• Make sure both batteries are of the
same voltage (12 volts), and that the
booster cables have insulated
clamps and are approved for use
with 12 volt batteries.
• Do not disconnect the discharged
battery.
• Do not connect positive (+)
terminals to negative (-) terminals,
and ensure booster cables are kept
away from any moving parts in the
engine compartment.
• Take care when working near
rotating parts of the engine.
Caution:
• If using a boost start vehicle, under
no circumstances should the
vehicles come into contact with
each other. This could establish an
earth connection, which may cause
sparks and damage.
• Do not run the boost start vehicle’s
engine when boost starting a
Jaguar vehicle. If the boost start
vehicle’s engine is running and the
jump leads are disconnected,
damage to the Jaguar vehicle’s
electrical system will result.
This vehicle is fitted with automatic
transmission. In the event of a discharged
battery preventing a normal engine start,
the vehicle cannot be started by pushing
or towing. Either use booster cables
connected to a booster battery (e.g. on
another vehicle) or fit a fully charged
battery.
Using booster cables (jump leads) from a
donor battery, or a battery fitted to a
donor vehicle, is the only approved
method of starting a vehicle with a
discharged battery. This procedure differs
to that used to charge a battery, which
should not be attempted with the battery
connected to the vehicle.
Boosting from another vehicle
!
WARNING:
Do not use a 24 volt booster start
system. These produce excessive
voltage and can damage the vehicle’s
electrical system.
If a donor vehicle is to be used, both
vehicles should be parked with their
battery locations adjacent to each other.
Ensure that the two vehicles do not touch.
Apply the parkbrakes and ensure that the
transmission of both vehicles is set in
neutral (P - park for vehicles with
automatic transmission).
Ensure that both vehicles have all
electrical services OFF.
Where the booster cables are of a
different colour, e.g. red and black, use
red for positive (+). This aids identification
and helps to avoid crossing positive (+) to
negative (–). Take extra care to avoid
crossing the polarity when using cables of
the same colour.