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9
Installation
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Power Source Connection
1. Find a source of co12V DC under the dashboard of the driver side of the car.
a. There are multiple places where this can be found, and locations vary between vehicles. Plan your installation according to your needs. You may find
specific wiring details by specific vehicle online, such as on The 12 Volt (www.the12volt.com).
b. Ensure that the wire you choose is a constant source of +12V. If you use a multimeter, it should show approximately 12V or better between your source and
chassis ground regardless of the ignition switch position, open or closed doors, on or off lights and other accessories, etc.
2. Using your preferred connection method (poke & wrap, solder, or posi-tap), connect the red wire from the Nauto power supply to the source of +12V. Be sure NOT
to permanently disconnect the 12V source from other circuits in the vehicle and take care to make a strong connection to survive vibration and temperatures.
1. Crimp or solder a ring terminal at the end of the black wire.
2. Connect it directly to a suitable metal spot on the vehicle’s chassis to create a solid ground. One method that may be appropriate is using a self-tapping screw.
The driver’s kick panel under the dashboard is a common grounding area, or any painted metal surface.
1. Locate the wire that you have verified will have ignition (switched) power.
2. If you use a multimeter, probe the yellow wire with the meter lead to check:
a. There should be zero voltage.
b. With the key turned to the “ON” position in the ignition (do not start the vehicle), the wire should show 12 volts DC or more.
c. With the meter lead still probing the wire, start the vehicle. While the starter is cranking, the wire’s voltage should not drop by more than 2 volts.
d. Turn the key to the “OFF” position. The voltage should return to 0.
Co12V Power Connection (Nauto Device Red Wire)
Ground Connection (Nauto Device Black Wire)
Switched / Ignition Source (Nauto Device Yellow Wire)
WARNING
Do not plug harness into the Nauto Device while making connections.
