Honeywell MX7 Tecton User Manual page 310

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:
Cau-
tion:
13. While observing the fuse requirements specified above, 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.
14. 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 18AWG
2
(1mm ) 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.
304
For battery powered vehicles:
V + is connected to battery positive.
IN
Vi - must be connected to battery negative.
N
must be connected to the vehicle chassis ground.
For internal combustion engine powered vehicles:
V + is connected to battery positive.
IN
Vi - is connected to battery negative.
N
is connected to the vehicle chassis ground, which can also be battery negative.