Installation Guide for HID & LED Headlights | XenonHIDs Installation Guide for HID & LED Headlights. Find your step-by-step installation guide for your HID and LED products below. Make sure to select the appropriate guide based on your purchased product and accessories. If you need further assistance feel free to contact us. Xentec Hid Wiring Diagram Open your vehicle's hood. Open the back cap of the headlight assembly and take out the stock bulb Plug – Wiring Diagram September 6, Scott Xenon 2 Comments bixenon instructions, h13 installation, h13 plug wiring diagram, hid install, hid wiring More and more, H13 Bi-xenon bulbs are being used in automotive applications. xentec led hid headlight – xenteclighting XENTEC 55W SLIM BALLAST HID KIT ALL SIZES. Sale price $50 00 $50 Save $10 Xentec Alloy Advanced Slim Ballast. Regular price $20 00 $20. XENTEC 35W SLIM BALLAST HID KIT ALL SIZES. Sale price $45 00 $45 Save $10 Xentec LED Headlight Foglight Bulb for any Halogen Headlight Bulb upgrade to LED ALL SIZES.