‘Jump’ Starting
If the battery becomes discharged to the extent that the en
-
gine cannot be started, proprietary good quality ‘jumper cables’
may be used to connect with the battery of a second car in order
to provide the energy necessary for starting.
WARNING:
It is most important that the correct procedure is fol
-
lowed in order to avoid damage to either car’s electrical
system, and most importantly, to minimise the danger of a
spark induced battery explosion. Check that the slave car
also has a NEGATIVE EARTH electrical system.
i) With the engine of the slave car running at a fast idle, use
one jumper cable (red) to connect the positive (+) terminal of
one battery to the positive terminal of the other battery. Take
care during this process to avoid inadvertently earthing a free
end of this cable to the metal body or chassis of either car.
ii) Connect one end of the other jumper cable (black) to the
negative (-) terminal of the discharged battery.
iii) A spark will occur when the other end of this cable (the final
connection) is connected to an earth on the slave car. This
connection should therefore be made to a point away from
the battery, and away from any fuel vapour area or moving
parts. An engine hanger bracket is often ideal.
iv) Start the car in the usual way, and run at a fast idle.
ohs14c
JUMP STARTING
Electrical
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