{"product_id":"primelux-pwh-02h4-dual-mode-h4-relay-wiring-harness-heavy-duty-led-upgrade-kit","title":"Primelux PWH-02H4 Dual-Mode H4 Relay Wiring Harness - Heavy-Duty LED Upgrade Kit","description":"\u003cp\u003eEliminate flickering, dimming, and complex wiring headaches with the Primelux PWH-02H4. This precision-engineered relay harness is the definitive solution for upgrading to high-performance H4 LED headlights, ensuring your lighting system receives a stable, direct-from-battery power supply. Whether your vehicle utilizes positive or negative switching, this intelligent harness adapts seamlessly to provide consistent, flicker-free illumination.\u003c\/p\u003e\n\u003cp\u003eDesigned for the rigors of professional off-road and industrial use, the PWH-02H4 bypasses aged factory wiring to deliver maximum voltage directly to your lamps. By reducing heat stress on your original headlight switches and providing industrial-grade circuit protection, it doesn't just improve your light output—it protects your vehicle’s electrical integrity in the most demanding environments.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Switching Compatibility:\u003c\/strong\u003e Engineered with a smart dual-mode circuit that supports both positive and negative switched headlight systems, ensuring a perfect fit for a vast range of vehicle platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade Safety Cabling:\u003c\/strong\u003e Constructed with heavy-duty 14 AWG and 16 AWG UL 1015 copper wiring, designed to handle high current loads while strictly adhering to international safety standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Weatherproofing:\u003c\/strong\u003e Features dual-layer heat shrink tubing on relay sockets and a fully sealed waterproof adhesive relay. The integrated 30A fuse is housed in a rugged, moisture-proof box for fail-safe operation in all climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Conductivity Terminals:\u003c\/strong\u003e Equipped with precision-stamped M8 copper ring terminals to maximize contact surface with battery studs, effectively eliminating resistance and preventing wire overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Integrity:\u003c\/strong\u003e Every connector and terminal is engineered to withstand extraction forces of up to 80N, ensuring the harness remains securely seated even under extreme vibration or mechanical stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Gauge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 AWG \/ 16 AWG UL 1015 Copper Wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30A Waterproof Blade Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSocket Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eH4 \/ 9003 \/ HB2 (Includes Adapter Pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM8 Copper Ring Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive \u0026amp; Negative Switched Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTensile Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 80N Force Resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWeather-sealed Relay \u0026amp; Heat-shrunk Sockets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eH4 LED Headlights, H5054, 6052, 6053, H6054 Conversions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's in the Box\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Primelux H4 Heavy-Duty Relay Wiring Harness\u003c\/li\u003e\n\u003cli\u003e1 x Adapter Harness Compatibility Pack\u003c\/li\u003e\n\u003cli\u003e1 x Professional Installation Guide\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Primelux","offers":[{"title":"Default Title","offer_id":42329149833304,"sku":"9201005","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8617\/files\/PWH-02H4_1.jpg?v=1729372171","url":"https:\/\/www.primelux.com\/products\/primelux-pwh-02h4-dual-mode-h4-relay-wiring-harness-heavy-duty-led-upgrade-kit","provider":"Primelux","version":"1.0","type":"link"}