{"product_id":"philips-h4-heavy-duty-relay-wiring-kit","title":"Philips H4 Heavy Duty Relay Wiring Kit for Car Headlights","description":"\u003ch1\u003e\u003cstrong\u003ePhilips H4 Heavy Duty Relay Wiring Kit\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Philips H4 Heavy Duty Relay Wiring Kit is a complete wiring \u003cbr\u003esolution specially designed for cars using H4 dual filament headlight \u003cbr\u003ebulbs. Unlike a single relay with connector, this is a full wiring kit \u003cbr\u003ethat includes everything needed to upgrade both left and right H4 \u003cbr\u003eheadlights in one package. It bypasses the factory H4 wiring completely \u003cbr\u003eand draws full power directly from the battery — delivering maximum \u003cbr\u003ebrightness on both high beam and low beam for safer night driving.\u003c\/p\u003e\n\u003ch2\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003cbr\u003e\u003cstrong\u003eWHAT IS AN H4 HEAVY DUTY RELAY WIRING KIT \u0026amp; WHY DO YOU NEED IT?\u003c\/strong\u003e\u003cbr\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/h2\u003e\n\u003cp\u003eMost Indian cars come with thin factory H4 wiring that cannot \u003cbr\u003ecarry full current to the headlights. This causes:\u003c\/p\u003e\n\u003cp\u003e- Extremely dim H4 headlights on high and low beam\u003cbr\u003e- Constant flickering of H4 headlights at night\u003cbr\u003e- Burnt and melted H4 connectors on both sides\u003cbr\u003e- H4 bulbs blowing out frequently\u003cbr\u003e- Dangerous low visibility on highways and dark roads\u003cbr\u003e- Overheating of original factory wiring\u003c\/p\u003e\n\u003cp\u003eThe Philips H4 Heavy Duty Relay Wiring Kit solves all of this by:\u003c\/p\u003e\n\u003cp\u003e- Replacing entire weak factory H4 wiring with heavy duty wires\u003cbr\u003e- Drawing full power directly from the car battery\u003cbr\u003e- Delivering complete 12V to both left and right H4 bulbs\u003cbr\u003e- Protecting H4 connectors from burning and melting\u003cbr\u003e- Improving brightness up to 30-40% on both high and low beam\u003cbr\u003e- Extending H4 bulb life significantly\u003cbr\u003e- Protecting original factory wiring from overload damage\u003c\/p\u003e\n\u003ch2\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003cbr\u003e\u003cstrong\u003eDIFFERENCE BETWEEN H4 RELAY WIRING KIT VS H4 RELAY WITH CONNECTOR\u003c\/strong\u003e\u003cbr\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/h2\u003e\n\u003cp\u003eH4 Relay with Connector:\u003cbr\u003e- Single relay unit\u003cbr\u003e- Replaces one headlight relay and connector\u003cbr\u003e- Best for replacing one faulty side\u003c\/p\u003e\n\u003cp\u003eH4 Heavy Duty Relay Wiring Kit:\u003cbr\u003e- Complete wiring kit for both headlights\u003cbr\u003e- Includes 2 relays, full wiring harness, \u003cbr\u003e  connectors, fuses for left and right side\u003cbr\u003e- Best for complete headlight system upgrade\u003cbr\u003e- Recommended for maximum brightness upgrade\u003c\/p\u003e\n\u003ch2\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003cbr\u003e\u003cstrong\u003eCOMPATIBLE H4 BULB TYPES\u003c\/strong\u003e\u003cbr\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/h2\u003e\n\u003cp\u003eThis wiring kit works perfectly with all H4 bulbs including:\u003c\/p\u003e\n\u003cp\u003e- H4 Halogen Bulbs (Standard)\u003cbr\u003e- H4 Philips Bulbs (All variants)\u003cbr\u003e- H4 Osram Bulbs\u003cbr\u003e- H4 LED Conversion Bulbs\u003cbr\u003e- H4 HID Xenon Conversion Kit (35W \/ 55W)\u003cbr\u003e- H4 High Performance Upgrade Bulbs\u003cbr\u003e- H4 Yellow \/ White \/ Blue Tinted Bulbs\u003c\/p\u003e\n\u003ch2\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003cbr\u003e\u003cstrong\u003eCOMPATIBLE CARS WITH H4 HEADLIGHTS\u003c\/strong\u003e\u003cbr\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/h2\u003e\n\u003cp\u003eThis Philips H4 Heavy Duty Relay Wiring Kit is compatible \u003cbr\u003ewith all cars using H4 headlight bulbs including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMahindra – Scorpio Classic, Bolero, Thar (Old),\u003cbr\u003e             XUV 300, Scorpio (Old), Bolero Neo\u003cbr\u003e- Tata – Nexon (Old), Tiago, Punch, Altroz, Tiago NRG\u003cbr\u003e- Maruti Suzuki – Swift, Dzire, Alto, Wagon R,\u003cbr\u003e                  Ertiga, Eeco, Alto 800, Alto K10,\u003cbr\u003e                  Baleno (Old), S-Presso\u003cbr\u003e- Hyundai – i10, i20 (Old), Grand i10, Santro, \u003cbr\u003e            Xcent (Old)\u003cbr\u003e- Toyota – Innova (Old), Qualis, Etios, Etios Liva\u003cbr\u003e- Honda – City (Old), Amaze (Old), Brio, Jazz, WR-V\u003cbr\u003e- Renault – Kwid, Triber, Duster (Old), Kiger\u003cbr\u003e- Ford – EcoSport (Old), Figo, Aspire, Freestyle\u003cbr\u003e- Chevrolet – Beat, Spark, Sail, Cruze, Enjoy\u003cbr\u003e- Nissan – Micra, Sunny, Terrano\u003cbr\u003e- Skoda – Rapid (Old), Fabia\u003cbr\u003e- All cars\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003cbr\u003e\u003cstrong\u003eTECHNICAL SPECIFICATIONS\u003c\/strong\u003e\u003cbr\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/h2\u003e\n\u003cp\u003eBrand             : Philips\u003cbr\u003eBulb Type         : H4 (Dual Filament)\u003cbr\u003eVoltage           : 12V DC\u003cbr\u003eRelay Rating      : 40A Heavy Duty\u003cbr\u003eMax Load          : 100W (High Beam) \/ 55W (Low Beam)\u003cbr\u003eFuse Rating       : 30A per side\u003cbr\u003eConnector Type    : H4 3-Pin Connector\u003cbr\u003eWire Type         : Heavy Duty Copper Wire\u003cbr\u003eFit Type          : Universal H4 Cars\u003cbr\u003ePackage Contents  : Complete Kit for Both Headlights\u003cbr\u003e                    (Left + Right)\u003c\/p\u003e\n\u003ch2\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003cbr\u003e\u003cstrong\u003eKEY BENEFITS\u003c\/strong\u003e\u003cbr\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/h2\u003e\n\u003cp\u003e- Complete H4 wiring kit for both headlights\u003cbr\u003e- Specially designed for H4 dual filament bulbs\u003cbr\u003e- Controls both high beam and low beam perfectly\u003cbr\u003e- Maximum H4 headlight brightness on both sides\u003cbr\u003e- Fixes burnt and melted H4 connectors permanently\u003cbr\u003e- Eliminates dim and flickering H4 headlights\u003cbr\u003e- Protects original\u003cstrong\u003e H4 \u003c\/strong\u003ecar wiring from overload\u003cbr\u003e- Compatible with H4 Halogen, LED and HID bulbs\u003cbr\u003e- Simple plug-and-play installation\u003cbr\u003e- No permanent modification to car\u003cbr\u003e- Philips trusted brand quality\u003cbr\u003e- Universal fit for all H4 headlight cars\u003cbr\u003e\u003c\/p\u003e","brand":"DolphinAccessories","offers":[{"title":"Default Title","offer_id":43670256484580,"sku":"philips-dual-head-lamp-relay","price":1125.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/9275\/4404\/files\/ChatGPTImageMay7_2026_03_29_26PM.png?v=1778148075","url":"https:\/\/dolphinaccessories.com\/products\/philips-h4-heavy-duty-relay-wiring-kit","provider":"DolphinAccessories ","version":"1.0","type":"link"}