How to Connect the Three Wires of a Dash Cam?

[MirandaMarie]

The method for connecting the three wires of a dash cam is as follows: the positive wire is generally red and connects to ACC. The negative wire is usually black and connects to ground. The long wire is typically yellow and connects to the car battery or constant power positive. A dash cam connects to the vehicle via three wires: one is positive, one is negative, and one is constant power. Generally, the dash cam only needs the positive and negative wires to function, but if you want parking surveillance, you will also need to connect the constant power wire. Relevant details are as follows: 1. Open the ACC cover panel; there are usually several small and medium-sized unused ports inside. Choose the port to connect to. Connect the red wire of the voltage reducer to ACC, the black wire to the negative or ground, and if parking surveillance is desired, connect to constant power. 2. A dash cam can draw power from the cigarette lighter, the reading light, or ACC. If it functions normally, the installation is successful. A dash cam can draw power from the cigarette lighter, the reading light, or ACC.