WiFi Sequencer Module Ver.2 – User Manual Automotive LED Controller – Ground-Switched Outputs (Low-Side Control) Important: This product is intended for automotive 12V systems and custom LED installations. Improper wiring may cause equipment damage. Professional installation is recommended if you are not familiar with automotive electrical work. ***User Manual will be updated*** Recommended parts Custom Made Boards Custom Made Board [7x2] 2P Bi-Color, Lens ver. 600x600mil Custom Made Board [7x4] 2P Bi-Color, Lens ver. 600x600mil Custom Made Board [7x6] 2P Bi-Color, Lens ver. 600x600mil The ones below don't need the LENSes Custom Made Board [7x2] 4P Bi-Color, Plain ver. 600x600mil Custom Made Board [7x4] 4P Bi-Color, Plain ver. 600x600mil Custom Made Board [7x6] 4P Bi-Color, Plain ver. 600x600mil Bi-Color LED Strips Bi-Color LED Strip, 4P x 19Ch, 15000x350mil Side Support Panels Support Panel Type-A Support Panel Type-B Modules Sequential LED control module ver.1.10, for 1 color LED setup Sequential LED control module ver.2.00, for 2 color LED setup Pre-Cut wires Pre-cut wire BLACK 22AWG 7.8inch/20cm Pre-cut wire WHITE 22AWG 7.8inch/20cm Pre-cut wire RED 22AWG 7.8inch/20cm Pre-cut wire YELLOW 22AWG 7.8inch/20cm Etc. 15 Pin Female header 30 Pin Female header 40 Pin Male to Male wire 20cm Advantages of Using the Common Positive System in Automotive LED Lighting In automotive LED lighting, the common positive system is widely used due to its numerous advantages. Here are some key reasons why this method is preferred: 🔹 1. Simplified Wiring and Reduced Costs In a common positive system, the vehicle chassis (metal body) serves as the ground (negative connection) for all electrical components. This reduces the need for additional negative wires, simplifying the wiring structure and lowering production and installation costs. It also minimizes wiring complexity, making it easier to maintain and troubleshoot. 🔹 2. Increased Reliability and Stability Since all components share a stable positive voltage source, voltage fluctuations are minimized, ensuring consistent LED brightness and performance. The chassis ground provides a low-resistance path, improving overall electrical efficiency and reducing the risk of connection failures. 🔹 3. Compatibility with Automotive Electrical Systems Most automotive electrical systems, including headlights, brake lights, and turn signals, use common positive wiring to maintain standardization across different components. This allows seamless integration of additional LED modules or aftermarket lighting without requiring major modifications to the vehicle's electrical system. 🔹 4. Better Protection Against Electrical Faults In case of a short circuit, the negative (ground) side is affected rather than the power supply, reducing the risk of damaging the entire system. This design helps protect LEDs and other electronic components from sudden voltage spikes and electrical failures. 🔹 5. Easier Integration with Control Modules Many LED controllers and dimmers used in automotive applications are designed to work with common positive configurations. This makes it easier to integrate RGB LED strips, DRLs (Daytime Running Lights), and other lighting systems without additional circuit modifications. Conclusion The common positive system in automotive LED lighting offers simplified wiring, improved reliability, compatibility with vehicle electrical systems, better fault protection, and easier integration with controllers. These advantages make it the preferred choice for manufacturers and aftermarket installers, ensuring efficient and stable LED lighting performance.
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