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If and when250
Jump-starting
Jump leads
The jump lead must have a sufficient wire cross section.
If the engine fails to start because of a discharged battery, the battery can be
connected to the battery of another vehicle to start the engine.
Jump leads
Jump leads must comply with the standard DIN 72553 (see manufacturer's
documentation). The wire cross section must be at least 25 mm
2
for petrol
engines and at least 35 mm
2
for diesel engines.
Note
• The vehicles must not touch each other, otherwise electricity could flow as
soon as the positive terminals are connected.
• The discharged battery must be properly connected to the vehicles elec-
trical system.
How to jump start: description
In ⇒ fig. 172, the flat battery is and the charged battery .
Jump lead terminal connections
– Switch off the ignition on both vehicles ⇒ .
1. Connect one end of the red jump lead to the positive ⇒ fig. 172
terminal of the vehicle with the flat battery ⇒ .
2. Connect the other end of the red jump lead to the positive
terminal in the vehicle providing assistance.
3. Connect one end of the black jump lead to the negative terminal
on the battery of the vehicle providing assistance.
Fig. 172 How to connect
the jump leads
A
A
A
B
A
+
A
+
A
-
alhambra_aleman.book Seite 250 Montag, 23. M‰rz 2009 1:12 13
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