What are the functions of the lines behind the car navigation?

Hello, there are constant fire wires, ground wires, ACC control lines, reversing control lines, power amplifier control lines, small light control lines, and steering wheels behind the car navigation.

Control cables, speaker cables, etc.

Connect according to the label on the rear tail plug harness. There are two large plugs in the tail, one of which is mainly used for power supply and signal control, and the other is a four-door audio circuit. After the original car audio is removed, take a look at the standard rental sign on the original car audio machine, there will be a circuit diagram or description of the original car, and then compare it with the line on the general navigation machine, and then add another GPS signal line on the general navigation machine, which is basically completed.

The car navigation system has the function of GPS global object positioning system. As soon as the driver enters the destination into the car navigation system, the system will automatically calculate the most suitable route based on the electronic map, and remind the driver to follow the calculated route when the vehicle is moving (such as before turning a corner).

The vehicle navigation system is mainly composed of a navigation host and a navigation display terminal. The built-in GPS antenna will receive data from at least 3 of the 24 GPS satellites around the Earth to determine the car's current location. The location coordinates determined by the navigation host through GPS satellite signals match the electronic map data, and the accurate position of the car in the electronic map can be determined.

On this basis, it will realize functions such as driving navigation, route recommendation, information query, audio-visual television, etc. The driver only needs to look at the picture on the display, listen to the voice prompt, and operate the remote control in his hand to achieve the above functions, so as to drive easily and freely. The computer control center is authorized by the motor vehicle management department to set up, and is responsible for observing the dynamics and traffic conditions of the designated monitoring vehicles in the jurisdiction at any time.

Millions of car purchase subsidies.

In addition to 4 sets of audio cables, an ACC and power cable, there are also ground cables, steering wheel control cables, radio control plugs, handbrake control cables, and reversing control cables.

In addition to the 8 speaker cables, one ACC red and long through line, yellow and ground wires, and black cables, there are generally steering wheel control cables, subwoofer control cables, radio control cables, handbrake control cables, and the colors vary depending on the brand.

There is only a data cable, and there is a cable for the charger, and the others are gone.

Now they are all special plugs for special cars, just plug them in directly!