Users Manual Chapter 5

Thor VM3A Vehicle-Mounted Computer 95
of termination. Select electrical connectors sized for use with 18AWG (1mm
2
)
conductors.
15. Provide mechanical support for the cable by securing it to the vehicle structure
at approximately one foot intervals, taking care not to over tighten and pinch
conductors or penetrate the outer cable jacket.
16. Connect the watertight connector end of the power cable to the dock power
connector by aligning the connector pins to the power connector; push down
on the watertight connector and twist it to fasten securely. Flip the power switch
on the back of the dock to On.
17. Secure the power cable to the computer using the Strain Relief Cable Clamps.
18. Place Thor VM3A in the Dock.
19. If using the Screen Blanking Installation feature, install the screen blanking box
or switch.
20. Power On the Computer.
Once installation is complete, remember to start the computer and configure the
Power Mode.
See the Auto-On control panel.
Note: Ignition control is not available for trucks over 60VDC.
Wiring Diagram for 50-150 VDC Power Supply, Screws on Top of Lid
Power
Connector
-
-
-Vo
Black
Green
Blue
(not connected)
+Vo
COM1 or COM2
Connector
+
+
User supplied serial
cable for optional
screen blanking
connection,
see below
Existing Circuitry on Vehicle
Forklift Battery
Main Switch
Quick Mount
Smart Dock
DC/DC
Power
Supply
Fuse - See
Warning
statement below
See
Caution
statement below
Red
Red/White (if present)
Black/White (if present)
Caution: For battery powered vehicles: