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The essentials
CAUTION
To avoid considerable damage to the vehi-
cle electrical syst
em, note the following
carefully:
●
If the jump leads are incorrectly connec-
ted, this could result in a short circuit.
●
The vehicles must not touch each other,
otherwise electricity could flow as soon as
the positive terminals are connected.
How to jump start: description
Fig. 60 Diagram of connections for vehicles
without St
art St
op syst
em
Fig. 61 Diagram of connections for vehicles
with Start Stop syst
em
Jump lead terminal connections
S
wit
ch off the ignition of both v
ehicles
›››
.
Connect one end of the r
ed
jump l
ead to
the positive
+
terminal of the vehicle
with the fl
at batt
ery
A
›
›
›
Fig. 60.
Connect the other end of the red jump
lead to the positive terminal
+
in the ve-
hicl
e pr
o
viding assistance
B
.
In v
ehicl
es without a St
art-Stop system:
connect one end of the black jump lead
to the negative terminal
–
of the vehicle
pr
o
viding the curr
ent
B
›
›
›
Fig. 60.
In vehicles with a Start-stop system:
connect one end of the black jump lead
X
to a suitable ground terminal, to a sol-
id piece of met
al in the engine bl
ock
, or
to the engine block itself
›››
Fig. 61.
1.
2.
3.
4a.
4b.
Connect the other end of the black jump
lead
X
to a solid metal component bol-
t
ed t
o the engine bl
ock or to the engine
block itself of the vehicle with the flat
battery. Do not connect it to a point near
the battery
A
.
P
osition the l
eads in such a w
ay that
they cannot come into contact with any
moving parts in the engine compart-
ment.
Starting
Start the engine of the vehicle with the
boosting battery and let it run at idling
speed.
Start the engine of the vehicle with the
flat battery and wait for 2 or 3 minutes
until the engine is running.
Removing the jump leads
Before you remove the jump leads,
switch off the dipped beam headlights if
they are switched on.
Turn on the heater blower and heated
rear window in the vehicle with the flat
battery. This helps minimise voltage
peaks which are generated when the
leads are disconnected.
When the engine is running, disconnect
the leads in reverse order to the details
given above.
»
5.
6.
7.
8.
9.
10.
11.
45
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