Thor VM1 with Microsoft Windows Embedded Standard 2009 User Guide 83
Vehicle 50-150VDC Power Connection
1. Please review the Wiring Diagram, before beginning power cable install.
2. The Thor VM1 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.
3. Route the cable from the Thor VM1 to the DC/DC power supply. Route the power
cable the shortest way possible. The cable is rated for a maximum temperature of
105°C (221°F). When routing this cable, it should be protected from physical dam-
age and from surfaces that might exceed this temperature. Do not expose the cable
to chemicals or oil that may cause the wiring insulation to deteriorate. Always route
the cable so that it does not interfere with safe operation and maintenance of the
vehicle.
4. Cut the cable to length and strip the wire ends.
5. Remove the lid from the DC/DC power supply.
6. Connect the stripped end of the positive wires (red and red/white twisted together or
a single red wire) to the output block. See Power Cable Identification.
7. Connect the stripped end of the negative wires (black and black/white twisted
together or a single black wire) to the output. See Power Cable Identification.
Note: The input and output blocks each have
two + (plus), two – (minus) and two
(ground) connectors. Either connector
in the block can be used to connect the
matching polarity wire.
8. Route the wiring from the DC/DC power supply to the vehicle’s electrical system. Do
not connect to vehicle power at this time.
9. Strip the wire ends and connect to the input side of the DC/DC power supply.
10. Use looms and wire ties to secure all wiring as shown.
11. Reattach the cover with the screws.
12. Connect the DC/DC power supply to the vehicle’s electrical system as directed
below:
Caution: For battery powered vehicles:
• + is connected to battery positive.
• - must be connected to battery negative.
• must be connected to the vehicle chassis ground.
Caution: For internal combustion engine powered vehicles:
• + is connected to battery positive.
• - must be connected to battery negative.
• must be connected to the vehicle chassis ground.
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