Honeywell Thor VM3, User Manual, Page: 98 / 378

86 Thor VM3 with Microsoft Windows Embedded Compact 7 User Guide
6. Connect the stripped end of the positive wires (red and red/white twisted together)
to the output block. See Power Cable Identification .
7. Connect the stripped end of the negative wires (black and black/white twisted
together) to the output. See Power Cable Identification .
Note: The input block has V
IN
+, V
IN
- and GND terminals.
The output block has V
O
+ and V
O
- terminals.
8. Connect the ground (green) wire from the Thor VM3 to the GND terminal on the
input side of the DC/DC power supply.
9. Route the wiring from the DC/DC power supply to the vehicle’s electrical system. Do
not connect to vehicle power at this time.
10. Strip the wire ends and connect to the input side of the DC/DC power supply.
11. Use looms and wire ties to secure all wiring as shown.
12. Reattach the cover with the screws.
13. Connect the DC/DC power supply to the vehicle’s electrical system as directed
below:
• V
IN
+ is connected to battery positive.
• Vi
N
- must be connected to battery negative.
• GND must be connected to the vehicle chassis ground.
• V
IN
+ is connected to battery positive.
• Vi
N
- is connected to battery negative.
• GND is connected to the vehicle chassis ground, which can also be battery negative.
14. While observing the Fuse Requirements connect the power cable as close as
possible to the actual battery terminals of the vehicle. When available, always
connect to unswitched terminals in the vehicle fuse panel, after providing proper
fusing.
ATTENTION: For uninterrupted power, electrical supply connections should not be
made at any point after the ignition switch of the vehicle.
Caution: For battery powered vehicles:
Caution: For internal combustion engine powered vehicles: