Electric Connection - Renkforce CD-7657 Bedienungsanleitung

Electric Connection

The electric connection should be made by a specialist.
To avoid short-circuits and resulting damage to the CD tuner, the negative pole (ground) of the
vehicle battery must be disconnected during connection.
Only connect the negative pole of the battery when you have completely connected the system
and checked the connections.
You should only use a voltmeter or a diode test lamp for checking the voltage on the on-board
cables as normal test lamps consume excessive currents and can thus damage the electronic
system of the car.
When laying the cables, make sure that they are not squeezed or scoured on sharp edges. Use
rubber grommets for the feed-though points.
The line towards the speakers must be a bifilar cable. Insulate the bare wires at the connecting
terminals. Ensure there are no sharp edges which could damage the cables.
Only use speakers with a sufficiently high load capacity (see „Technical Data").
Make sure that all speakers have the correct polarity, i.e. the plus and minus signs must match.
The connecting cables of the speakers are usually coded: Some speaker manufacturers
indicate the (+) wire by means of an additional colour stripe, others use a corrugated cable for
the (+) terminal and a smooth one for the (-) terminal.
The system was designed for the operation at speaker impedances of at least 4 Ohm. Never
connect speakers with a lower impedance.

In most vehicles the cables for the electric connection and the connection of the speakers have been
laid directly to the mounting slot.
If this is not the case, please make sure that any cables placed later are secured by the respective on-
board fuses (see vehicle operation manual).
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