What are the reasons for the car camera not displaying?

[StAlan]

Car camera not displaying is due to poor line contact. Here is the relevant introduction about car cameras: 1. Introduction to car cameras: Also known as parking assistance systems, or reverse visual systems, or vehicle monitoring systems, etc. This system is widely used in various large, medium, and small vehicles for reversing or driving safety assistance. 2. Advantages of car cameras: Simple installation. Generally, a single-output reverse camera only requires connecting the positive power wire to the positive terminal of the car's reverse light power, and the negative power wire to the negative terminal of the reverse light or ground (GND). The wiring can be easily understood with a simple study based on the vehicle model, and the camera can be installed by drilling a hole in an easily accessible position.