Motorola Radius CM200 Manuel d'installation - Page 10
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Chapter 2
DC Power Cable Installation
2.1
Planning the Power Cable Installation
CAUTION: This radio must be operated only in negative ground electrical systems.
!
Operating the radio on a positive ground system will cause the cable fuse to short-circuit.
Check the vehicle ground polarity before you begin the installation.
The 10 foot (3 m) DC power cable shipped with the radio should be long enough to be installed in
most vehicles. Take the following precautions before you begin:
• Whenever possible, avoid routing the cable above the catalytic converter.
• Use grommets whenever a cable has to pass through a hole in a metal panel.
The following table lists power cables available for this radio:
Number
HKN4137_
HKN4191_
2.2
Power Cable Installation Procedure
Begin the power cable installation as follows:
1. Determine a routing plan, keeping in mind where the radio is to be mounted.
CAUTION: Improper handling with the power cable may short to ground. Ensure that during
!
radio installation the power cable fuse is removed.
2. Locate an existing hole with grommet in the vehicle fire wall, or use a 3/8-inch (9.5 mm) bit to drill
an access hole in the fire wall. Install a grommet with a 3/16-inch (4.9 mm) inside diameter into
the hole to protect the power cable.
!
CAUTION: Be very careful not to damage existing wires.
3. From inside the vehicle, feed the red and black leads (without the lugs attached) through the
access hole and into the engine compartment. (See Figure 2-1.)
Table 2-1: Power Cables
Description
Low power cable to battery
High power cable to battery
Rating
1-25W; 15A fuse; 14 AWG 3m
40-60W; 20A fuse; 12 AWG 3m