Wiring diagram
A
B
C
Left:
Green
Right:
Purple
GZCS 4.0BMW-CONNECT
Plug the OEM male-connector (A) to the female-plug (B) of the GZCS 4.0BMW-
CONNECT and the male-connector (C) of the GZCS 4.0BMW-CONNECT into the
woofer‘s port. Lay the wire through the original cable tunnel into the trunk.
Plug the input male-connector to the input of the GZRA MICRO FOUR.
Connect the speaker cables according the instruction on the following pages.
OEM harness
Factory cable connected to the OEM woofer. Check that the wire is fully pinned.
If the plug just has 2 wires, it the car has an active sound system.
In this case the GZCS 4.0BMW-CONNECT can not be used.
12 Volt connection (not included)
Connect the GZRA MICRO FOUR to the battery according to the amplifier‘s manual.
Recommended power cable: min. 6mm² copper wire.
Ground connection
Connect the ground wire of the GZRA MICRO FOUR to an OEM ground connection.
GROUND ZERO
GmbH – Erlenweg 25 – 85658 Egmating – Germany
www.ground-zero-audio.com
info@ground-zero-audio.com
GroundZeroAudioCom
20A fuse (not incl)
OEM
battery
C
