C5W Festoon Bulb to LED Conversion Housing

### 🚗 Universal C5W Festoon LED Conversion Adapter (DIY 12V Car Upgrade) Upgrade your old halogen halogen festoon/sofit interior bulbs to ultra-bright modern LEDs using this custom 3D printed adapter housing! This design allows you to reuse the metal end caps from original burnt-out C5W / Festoon bulbs and combine them with standard 12V SMD LED PCB modules (or 12V LED strips/chips) to create high-efficiency, bright car interior or license plate lighting. --- #### 📌 Features: - **Perfect Fit:*…

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