{"product_id":"szdystar-led-light-wiring-harness-4-lead-dc12v-40a-relay-14awg-cable-remote-dash-switch","title":"Szdystar LED Light Wiring Harness 4-Lead DC12V — 40A Relay, 14AWG Cable, Remote \u0026 Dash Switch","description":"\u003cb\u003eCompact remote-control wiring harness that lets you power and switch up to four LED work lights from a single DC12V source with a 30 m remote range.\u003c\/b\u003e\n\nThis Szdystar wiring harness kit is built to simplify adding auxiliary lighting to trucks, ATVs, UTVs and off-road rigs by combining heavy-gauge power cabling, a 40A relay and blade fuse with a push-button wired switch plus a wireless remote. The loom includes four output leads to feed up to four individual lights (each recommended under 75W) and a roughly 3.5 m main cable to reach your battery location without splicing existing factory wiring. Materials and connectors are chosen to resist everyday vibration and outdoor conditions, while the plug-and-play approach helps preserve original vehicle harnesses.\n\n\u003ch3\u003eHow does this kit protect my vehicle’s electrical system?\u003c\/h3\u003e\n\u003cp\u003eThe harness uses a dedicated 40A blade fuse and relay to isolate the high-current lighting circuit from your vehicle’s factory wiring and switches. That keeps heavy loads off fragile OEM switchgear and prevents overloads from reaching the vehicle electrics. For 24V systems, simply swap in a 24V-rated relay to maintain protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40A blade fuse included for overload protection\u003c\/li\u003e\n  \u003cli\u003eRelay-driven switching isolates vehicle circuits\u003c\/li\u003e\n  \u003cli\u003e14AWG power cable reduces voltage drop for up to 300W total\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat lights and power limits work with this Szdystar harness?\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed for DC12V lighting setups like LED driving bars, work lights, fog lights and pods; it supports up to 300W total with each lamp kept under approximately 75W. For installations where a vehicle battery or system is 24V, replace the relay with a 24V-rated version to ensure correct operation and longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFour independent leads for up to four lights\u003c\/li\u003e\n  \u003cli\u003eMaximum recommended combined wattage: 300W\u003c\/li\u003e\n  \u003cli\u003eIndividual lamp recommendation: below 75W per light\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what does remote control offer?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with automotive wiring: the harness plugs to the battery, routes relay and fuse near the source, and mounts the keyboard-style switch inside the cabin. A wireless remote gives on\/off control up to roughly 30 meters, while the wired switch provides convenient dash access when you prefer hard-button control.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAbout 3.5 m (11.48 ft) main cable for battery reach\u003c\/li\u003e\n  \u003cli\u003eKeyboard-style switch fits into dash panels with adhesive\u003c\/li\u003e\n  \u003cli\u003eWireless range approx. 30 meters for remote activation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich materials and durability features are included?\u003c\/h3\u003e\n\u003cp\u003eThe harness uses 14AWG primary cabling and 16AWG subordinate cores with copper conductors and PVC insulation to balance flexibility and load capacity. Components are rated for typical automotive temperatures and routine off-road vibration; the relay and fuse are serviceable to extend usable life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e14AWG power cable (approx. 2 mm²) and 16AWG subordinate cores\u003c\/li\u003e\n  \u003cli\u003eHigh-quality copper conductors and PVC jacket for durability\u003c\/li\u003e\n  \u003cli\u003eRelay rated 40A (replaceable for 24V use if needed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for?\n\nThis Szdystar 4-lead wiring harness suits mechanics, DIYers and fleet owners installing auxiliary LED lighting who want a safer, centralized power solution with remote convenience. Choose this kit if you need a plug-and-play wiring loom to add multiple work or driving lights while protecting your vehicle’s original wiring and enjoying both dash-mounted and wireless on\/off control. Always have installations completed or checked by a qualified technician and verify local regulations before fitting auxiliary lights.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this harness on a 24V vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—swap the included relay for a 24V-rated relay and ensure all lights and wiring are compatible with 24V systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the maximum wattage supported?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit supports up to 300W total, with recommended individual lamp wattage below 75W.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Szdystar","offers":[{"title":"Default Title","offer_id":55168278561111,"sku":"B09XK63W7Q","price":42.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/szdystar-front-packaging-view.jpg?v=1790397941","url":"https:\/\/britishgarage.co.uk\/products\/szdystar-led-light-wiring-harness-4-lead-dc12v-40a-relay-14awg-cable-remote-dash-switch","provider":"British Garage","version":"1.0","type":"link"}