Universal Dashcam Power AdapterDual DC Buck Converter 12V to 5V Compatible with All ModelsDash Cam Hardwire Kit,Built-in Hide USB to GPS Radar.

Installation Method Use a multimeterdo not guess by wire color aloneto find the +12V and ground terminals on your car's connector. Insert the adapter's red wire into the +12 V slot and the black wire into ground, ensuring metal-to-metal contact. Start the vehicle and verify ~12V with your meter. Then plug in the USB buck module; its LED indicates normal operation. Secure the harness with tape. A brief misconnection won't damage the module, and ensure metal contact is good for stable operation. Universal Dashcam Power Adapter]Fits any live 12 V source in your vehicleauto-dimming mirror, reading lights, lane-assist, or rain-sensor harness. Be sure to tap a true 12 V circuit; if you connect to an unpowered line, your dashcam or GPS won't turn on. Only compatible with standard 12 V systems. Not for 24 V vehicles or those with delayed start, smart sensors, or other special circuits. Ensure a true 12V line is tapped for proper operation; connecting to special