Quick Start Guide

Vehicle 10-60 VDC Direct Power Connection
1. The VM3A must not be mounted in the dock. The power
switch on the dock must be turned Off. The power cable
must be UNPLUGGED from the dock.
2. Install the proper fuse based on the voltage source you will
connect to. Connect to switched and fused power at
terminal lug on a fuse or distribution box. Do not tap into
existing wires. See page 9 for more information.
3. Use proper electrical and mechanical fastening means for
terminating the cable. Properly sized “crimp” type electrical
terminals are an accepted method of termination. Select
electrical connectors sized for use with 20AWG (0.81mm
2
)
conductors.
4. Refer to the following wiring diagrams for wire colors and
connections:
• Ignition Control Wiring Diagram
If switched vehicle power is available, the ignition wire can
be connected. The VM3A will boot up when the vehicle
ignition is turned on.
Existing Circuitry On Vehicle
Battery
Main Switch
-Vo
+Vo
Fuse - See
Fuse Warning
Ignition
See Caution statements
Quick Mount
Smart Dock
Circular
Power
Connector
COM1 or COM2
Connector
Cable for optional
screen blanking
connection
Red
Black
Green
Blue
Red/White (if present)
Black/White (if present)