Is it necessary to install a car anti-theft device?
1 Answers
If the vehicle is not equipped with anti-theft technology, it is recommended to install an anti-theft device. Many cars nowadays come pre-installed with an onboard computer anti-theft system from the factory. The engine will only start when the key chip data matches the pre-stored data in the onboard computer, which then notifies the relevant systems to begin operation. Cars with built-in onboard computer anti-theft systems do not require additional anti-theft devices. The steps for installing a car anti-theft device are as follows: 1. Confirm the ignition wire: When connecting the circuit breaker, first identify the ignition wire, fuel pump control wire, and starter wire before deciding which circuit to disconnect (disconnecting the starter wire will disable the anti-hijacking function). The ON wire input of the anti-theft main unit should be connected to the upper end of the disconnected circuit. Alternatively, it can be separately connected to a wire that has a positive 12V power supply when the car key is in the ON position. 2. Find a suitable location to install the main unit: Carefully observe the structure of the decorative panels, as wiring connections may require disassembling them. Wear work gloves if possible to avoid dirtying the interior decorations. 3. When connecting the door switch detection wire, always connect it to the dome light control bus: Do not connect it to the left front door or the door switch wire, as the main door switch wire and other door switch wires are isolated by diodes and do not interconnect. This prevents the issue of the alarm not triggering when a rear door is opened after setting the anti-theft system.
