Install in car cameras and dash cam cameras
Installing in-car cameras is a task that requires careful planning and technical operation. Below, we outline the complete process and key points from preparation and installation to debugging.
Preparation Before Installation
Adequate preparation before starting ensures a smooth process and avoids damage to the vehicle or equipment.
- Tools and Materials: You will need basic tools such as a Phillips screwdriver, pry tool, electrical tape, and cable ties. If the camera needs to be connected to the vehicle’s constant power supply (for 24-hour monitoring), a dedicated voltage step-down cable is also required. It is recommended to have a circuit tester for safely identifying vehicle circuits.
- Equipment Check: Before formal installation, be sure to conduct a power-on test of the camera to confirm it functions properly and all accessories are complete.
- Location Planning: Plan the installation location based on the camera type (front, rear, side view). Common locations include the upper center of the front windshield, near the high-mount stop light or license plate light on the rear windshield, and below the side mirrors. When choosing a location, it is essential to avoid the deployment area of airbags and it must never obstruct the driver’s normal line of sight.
Camera Installation Steps
The installation methods for different types of cameras have their own emphasis.
- Front View Camera: Usually fixed at the top center of the front windshield, ensuring the lens is level and aimed at the road ahead. The power cable can be routed and hidden along the seams of the A-pillar trim, ultimately connecting to the cigarette lighter socket or fuse box for power.
- Rear View Camera: Common installation locations are above the rear license plate or on the rear bumper. During installation, the lens typically needs to be tilted downward by 15°-20° to fully cover the rear area. The power cable is generally routed from the trunk seal into the cabin and connected to the reverse light power supply, enabling the image to automatically activate when shifting into reverse.
- Side View Camera: Usually installed below the side mirror, which may require drilling for fixation. Adjust the lens angle to cover the blind spot on the side of the vehicle body. The power cable can be routed along the door seal and connected to the turn signal power supply on the corresponding side.
Key Points for Wiring
Professional and tidy wiring is key to successful installation.
- Concealed Wiring: All wiring harnesses should be cleverly concealed within the vehicle’s interior trim panels, seals, or existing wiring conduits to avoid exposure, which affects aesthetics and driving safety.
- Anti-Interference and Safety: Power cables and video signal cables should be routed separately; it is recommended to maintain a distance of at least 10 cm to reduce signal interference. All connection points should be securely wrapped with electrical tape. For external connections, waterproofing treatment is also necessary to prevent rainwater ingress.
Debugging and Calibration After Installation
After installation, careful debugging is essential to ensure optimal performance.
- Angle Calibration: View the image on the in-car display, adjust the camera angle so that the vehicle body occupies about 1/5 of the frame, and ensure road markings appear level.
- Function Testing:
- Night Vision Test: Check image clarity and noise control in dimly lit conditions.
- Storage Test: Insert a high-capacity microSD card that meets specifications (recommended Class 10 or above), record a video segment, and check if it can be recorded and played back normally.
- Trigger Test: Test specific functions, such as whether the rearview camera automatically switches the image when shifting into reverse, or if the sideview camera triggers the display when the turn signal is activated.
Important Safety Notes
- Power Disconnection: Before starting to connect any wires, be sure to disconnect the vehicle battery’s power supply to prevent the risk of short circuits or electric shock.
- Cautious Power Tapping: If drawing power from the fuse box, use a circuit tester to accurately identify the ACC (switched) power supply and the constant (always-on) power supply. If you are unfamiliar with the vehicle’s circuitry, it is recommended to prioritize connection to the ACC supply to avoid draining the battery.
- Seek Professional Help: If you are not familiar with vehicle circuit structures and electrical principles, it is strongly recommended to have the installation performed by a professional auto repair shop or modification shop to ensure safety and proper equipment operation.