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You should only use a voltmeter or a diode test la mp for checking
the voltage applying at car cables, because normal test lamps con-
sume too high currents and thus can damage the electronic system
of the car.
When installing cables make sure that the connection cables are not
squeezed or damaged by sharp edges. Use rubber bushings for
passing points.
In order to reduce parasitic induction of the generator or of other
electric systems of the vehicle, the amplifier should be directly pow-
ered by the car battery. It is not allowed to supply other electric
loads, such as the cooling fan, the windscreen washer etc., via the
same cable as the amplifier.
Use connection cables with a possibly large cross-section for con-
necting the power supply and the ground of the amplifier. The neces-
sary cross-section of the cable depends on the power requirements
of the components connected.
A cross-section of the cables that is too small can cause a cable to
char through in the worst case. Moreover, the increased ohmic
resistance leads to unnecessary power losses.
An additional fuse in the positive connection of the amplifier is nec-
essary in any case (fuse holder is not included in the scope of deliv-
ery). The fuse should be installed close to the battery. In case of
short circuit (e.g. if the connection cable is worn through) the fuse
disconnects the positive lead and thus avoids a damage of the bat-
tery and prevents the supply cable from burning.
The strength of the fuse depends on the power consumption of the
connected devices of the car hi-fi system.
Ground (-)
Control lead
Battery (+)
Spare fuse
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