Operation Manual
32
5 
Make sure you are using a main fuse protection for the +12V-
power input of the amplifier within max. 30 cm of the car 
battery and power cables with an amperage adequate cross-section 
and main fuse (for details see section E: „Connecting“).
6 
The GROUND/GND cable (-12V) should have the same cross-
section as the +12V power cable. Make sure to get a good 
chassis ground contact, because poor ground contacts are the cause 
for most power problems with car audio installations.
7 
Make sure no power, signal or speaker lines are shorting to chassis 
ground by using rubber grommets wherever a cable has to 
pass through any metal part of the vehicle.
Important: Before any wiring, always remove the +12V terminal of 
the battery to prevent short-circuiting. The last lead to be connected 
in every installation is always the positive +12 Volt terminal of the 
battery. Connect this lead only after having completed and checked 
all other connections.
C109-509 Manual DEF.indd 32C109-509 Manual DEF.indd 32 15.02.2005 15:30:32 Uhr15.02.2005 15:30:32 Uhr










