Motorola VML750 Installation Manual page 30

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6802988C54-D
Chapter 2: VML750 Installation
3 On the engine side of the firewall, connect the black lead to the negative (-) battery terminal.
4 On the engine side of the firewall, perform the following actions to connect the red (A+) lead to
the vehicle battery:
a Verify that the fuse holder is at a distance of 20-30 cm (7.87-11.8 inches) from the
connection point, ensuring that it is not close to any hot engine component.
b Mount the fuse holder using the provided mount, and dress wires as necessary. Connect the
red lead plug adaptor (on the fuse holder) to the matching receptacle on the red lead of the
DC Power and Ignition cable.
c Connect the red lead of the DC Power and Ignition cable to the positive (+) battery terminal.
Cable tie the wire every 10 cm (4 inches) along its length. Do not tie to existing vehicle
cables.
d Insert the fuse into the fuse holder.
5 Verify that the cables in the engine compartment do not obstruct any of the vehicle controls or
touch hot or moveable parts of the engine.
6 For ignition installation, perform the following actions:
a Consult the vehicle documentation to locate the ignition wire.
b Verify that the voltage is high with the ignition on, during start (cranking), accessory, and
while vehicle is running. When the ignition is off, the voltage is zero.
c Connect the green lead of the DC Power and Ignition cable to ignition (+). Cable tie the wire
every 10 cm (4 inches) along its length. Do not tie to existing vehicle systems.
7 Connect the DC Power and Ignition cable connector to POWER connector on the VML750
Connector panel. Fasten the connector using the four fastening screws.
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