car wiring harness plugs

Car wiring harness plugs are mainly used to connect the car wiring harness to various electrical devices, such as engines, vehicle lights, sensors, air conditioners and other components. Their core function is to transmit current and signals to ensure these devices work normally. Car wiring harness plugs are pluggable, making wiring easier during car assembly. When there is an electrical fault in the vehicle later, you can check the problem and replace parts by plugging and unplugging the car wiring harness plugs without disassembling the entire wiring harness, which saves a lot of trouble.
In terms of specifications, the shell of car wiring harness plugs is generally made of nylon or polypropylene, which can resist high and low temperatures, water and dust, protecting the internal terminals from oxidation and short circuits. The internal terminals are made of copper alloy, and the surface is tinned or gold-plated to reduce contact resistance and ensure more stable conduction. The common terminal spacing is 2.0mm, 2.5mm and 4.8mm, which is determined by the number of connected lines. There is no fixed value for the number of terminals, as long as it matches the number of wire harness cores.
Its rated current is generally 1-50A. 12V voltage is commonly used for passenger cars, and 24V for commercial vehicles. It can carry current stably for a long time without being easily overheated and burned. All car wiring harness plugs are equipped with a locking structure to prevent them from falling off due to vibration when the vehicle is running. The protection level depends on the installation position. For places like the engine compartment that are prone to water and dust, the protection level will be higher. Overall, it meets the relevant standards of the automotive industry. When selecting, just match the current, voltage and installation space.