Cobra GR 29 LTD ST Operating Instructions Manual page 4

Installation
Note
Before installing the CB radio,
visually check the vehicle's
battery connection to deter-
mine which terminal, positive
or negative, is earthed to the
engine block (or chassis). A
negatively earthed vehicle
has its negative lead earthed
to the chassis.
Note
Connecting to a fuse circuit con-
trolled by the ignition switch
prevents the unit from being left
on accidentally, and also per-
mits operating the unit without
running the engine.
Note
In positive earth vehicles the red
In a negative earthed vehicle, connect the red
4
wire goes to the chassis and the
lead of the DC power cord to an accessory 12
black wire is connected to the
volt fuse.
ignition switch.
Connect the black lead to the negative side of
5
the vehicle. This is usually the chassis. Any con-
venient location with a good electrical contact
(remove paint) may be used.
4
Plug power cable into back of unit mar ked
6
"Power" . Be sure to observe polarity markings.
Mount the microphone
7
bracket on either side of
the unit (nearer the driver)
using two screws sup-
plied. Bracket should be
placed under the dash
so that microphone is
readily accessible.
8 Attach the 6-pin microphone cable to recepta-
cle on front of unit and Install unit in bracket
securely.
Installation
5