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How To: Connect Vehicle Electrical Connection
1. Please review the proper wiring schematic illustration, later in this section, before beginning power cable install.
2. The computer must be powered off.
3. Begin by connecting the power cable to the Thor VX9. Work from this connection with the last connection being to the
vehicle’s power source.
4. Route the cable from the Thor VX9 to the DC to DC converter and, optionally, the screen blanking box. Cut the cable to
length and strip the wire ends. If the screen blanking box is not used, do not strip the green and yellow wires.
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 damage 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.
5a. For models VX89301PWRSPLY, VX89A302PSDC48V, VX89303PWPSPLY only:
Remove the lid from the DC to DC converter. Attach the stripped wire ends to the output side of the DC to DC converter.
Attach stripped wire ends to the input side of the DC to DC converter.
The input and output blocks each have two + and two – minus connectors. Either connector in the block can be used to
connect the matching polarity wire.
Use the looms and wire ties to secure all wiring then reattach the cover with the screws.
5b. For models VX89305PWRSPLY, VX89306PWRSPLY only:
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