--- product_id: 336148062 title: "Double Color/High Low Beam Wiring Harness Kit DC12V Maximum 300W 40A LED Lights Wiring Harness Switch Relay 14AWG Core Cable Harness for Car Fog Lights Work Driving Lights Bar" brand: "szdystar" price: "₩65849" currency: KRW in_stock: true category: "Szdystar" url: https://www.desertcart.kr/products/336148062-double-color-high-low-beam-wiring-harness-kit-dc12v-maximum store_origin: KR region: South Korea --- # 40A high-current relay Supports up to 300W LED lights 14AWG heavy-duty copper wiring Double Color/High Low Beam Wiring Harness Kit DC12V Maximum 300W 40A LED Lights Wiring Harness Switch Relay 14AWG Core Cable Harness for Car Fog Lights Work Driving Lights Bar **Brand:** szdystar **Price:** ₩65849 **Availability:** ✅ In Stock ## Summary > 🚗 Light up your ride with power and precision—because your car deserves the best! ## Quick Answers - **What is this?** Double Color/High Low Beam Wiring Harness Kit DC12V Maximum 300W 40A LED Lights Wiring Harness Switch Relay 14AWG Core Cable Harness for Car Fog Lights Work Driving Lights Bar by szdystar - **How much does it cost?** ₩65849 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/336148062-double-color-high-low-beam-wiring-harness-kit-dc12v-maximum) ## Best For - szdystar enthusiasts ## Why This Product - Trusted szdystar brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Design:** Premium copper core with silicon-infused, waterproof PVC insulation built to withstand -40°C to 85°C. - • **Built for Safety:** Equipped with 40A relays and blade fuses to keep your lighting system secure and reliable. - • **Plug & Play Power:** Direct battery connection protects your car’s original wiring—no damage, no hassle. - • **Effortless Control:** Includes a sleek, easy-to-install switch with back glue for convenient placement anywhere in your vehicle. - • **Universal Compatibility:** Perfect for 12V LED, HID, halogen, fog, and off-road lights up to 300W—one harness fits all. ## Overview This Double Color/High Low Beam Wiring Harness Kit is a professional-grade, easy-to-install solution designed for 12V automotive lighting systems. Featuring a robust 40A relay and blade fuse, it supports LED work lights up to 300W without compromising your vehicle’s original wiring. Crafted from high-quality copper and waterproof PVC, it ensures durability and safety in extreme conditions. The kit includes a versatile switch with adhesive backing for seamless control, making it the ultimate upgrade for fog lights, driving lights, and off-road light bars. ## Description Name: Double Color/High Low Beam Wiring Harness KitSwitch Material: Plastic,Keyboard switch (with back glue) can be installed in any part, which is more convenient to operate.Switch Relay: DC 12V Amp : 40A power relay fuse :40A blade fuseNumber of Lights: One LightRecommend Max Wattage: Maximum support for 300W and single lamp working below 300W.Input power:12V (if the battery of your car is 24V, just replace the relay with 24V) default 12VLength: around 11.48ft /3.5MMaterial: high quality PVC, copper and metalHighest Working temperature: -40 ~ 85 degree Celsius Package included:1X Set Relay Wiring Harness With On/Off Switch1X Safety blade fuseNote:1:Manual measuring, please allow 1 ~ 3mm error,thank you.2: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture. ## Features - double color/high low beam wiring harness kit ,easy to install, easy DIY. the product can be directly connected to the battery to ensure that the power supply line of the original car is not damaged. - the products are equipped with relays and high current fuses, which are more safe and reliable.. It can be suitable for the light 10W~300W led work light bar. - Switch, relays and fuse included, The switching relay is rated to 40A, routine use recommend 12A will have a longer lifespan.If you use DC24V power supply, please replace the DC24V relay. - Professionally assembled wiring loom kit suitable for DC12V HID ,DC12Vhalogen, DC12V LED driving lights,offroad lights bar, offroad spot lights, fog lights, work lights, replacement fog lamps add-on fog lights hid lights etc. - Durable: made of high quality copper, silicon infused wire, durable and Waterproof. - Best after-sales service: with absolutely nothing to worry about, if there is any problem with our product, please contact us and leave us a message; we will deal with it within 24 hours. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08ZXW3ZGF | | Best Sellers Rank | #91,009 in Automotive ( See Top 100 in Automotive ) #300 in Automotive Replacement Electrical Wiring Harnesses | | Brand | Szdystar | | Brand Name | Szdystar | | Cable Type | custom | | Connector Type | Terminal Block, Spade Connector | | Customer Reviews | 4.4 out of 5 stars 43 Reviews | | Item Weight | 0.67 Kilograms | | Manufacturer | Szdystar-Maker | | Material | Copper, Plastic, Polyvinyl Chloride (PVC) | | Material Type | Copper, Plastic, Polyvinyl Chloride (PVC) | | Model | 1Leads | | Number of Items | 1 | | Part Number | GM-FS-22 | | UPC | 711379631947 | | Unit Count | 1.0 Count | | Wire Diameter | 1.63 Millimeters | ## Product Details - **Brand:** Szdystar - **Connector Type:** Wireless - **Item Weight:** 0.7 Kilograms - **Material:** Copper, Plastic, Polyvinyl Chloride (PVC) - **Wire Diameter:** 0.06 Inches ## Images ![Double Color/High Low Beam Wiring Harness Kit DC12V Maximum 300W 40A LED Lights Wiring Harness Switch Relay 14AWG Core Cable Harness for Car Fog Lights Work Driving Lights Bar - Image 1](https://m.media-amazon.com/images/I/711enl7O-GL.jpg) ![Double Color/High Low Beam Wiring Harness Kit DC12V Maximum 300W 40A LED Lights Wiring Harness Switch Relay 14AWG Core Cable Harness for Car Fog Lights Work Driving Lights Bar - Image 2](https://m.media-amazon.com/images/I/51M6h4SyytL.jpg) ![Double Color/High Low Beam Wiring Harness Kit DC12V Maximum 300W 40A LED Lights Wiring Harness Switch Relay 14AWG Core Cable Harness for Car Fog Lights Work Driving Lights Bar - Image 3](https://m.media-amazon.com/images/I/61ONukHNeUL.jpg) ![Double Color/High Low Beam Wiring Harness Kit DC12V Maximum 300W 40A LED Lights Wiring Harness Switch Relay 14AWG Core Cable Harness for Car Fog Lights Work Driving Lights Bar - Image 4](https://m.media-amazon.com/images/I/61YO1gTv+rL.jpg) ![Double Color/High Low Beam Wiring Harness Kit DC12V Maximum 300W 40A LED Lights Wiring Harness Switch Relay 14AWG Core Cable Harness for Car Fog Lights Work Driving Lights Bar - Image 5](https://m.media-amazon.com/images/I/61cim-2BY6L.jpg) ## Available Options This product comes in different **Model** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kr/products/336148062-double-color-high-low-beam-wiring-harness-kit-dc12v-maximum](https://www.desertcart.kr/products/336148062-double-color-high-low-beam-wiring-harness-kit-dc12v-maximum) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-07-12*