{"product_id":"nsautolighting-h11-h8-fog-light-wiring-harness-for-toyota-tundra-tacoma-40a-relay-illuminated-switch","title":"nsautolighting H11 H8 Fog Light Wiring Harness for Toyota Tundra Tacoma — 40A Relay, Illuminated Switch","description":"\u003cp\u003e\u003cstrong\u003eThis nsautolighting H11\/H8 fog light wiring harness kit supplies a relay, OEM-style switch and plug-compatible wiring to add or replace fog lights on many Toyota models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for Toyota owners who need a reliable electrical connection when installing or restoring fog lamps, this harness converts H8\/H11\/880\/881 fittings to a protected 12V relay circuit. The kit includes a 40A relay, an illuminated push-button switch sized for many Toyota consoles, and a long pigtail run so you can route power where you need it without splicing the factory loom.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Toyota vehicles and bulb types is this harness compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis harness fits a broad range of Toyota models and works with common fog lamp sockets. It supports H8, H11, 880 and 881 bulbs and lists compatibility across many model years for Tundra, Tacoma, 4Runner, Land Cruiser, Sequoia, Sienna, Avalon, Highlander, RAV4, Corolla, Camry, Prius lines, Venza, Matrix, Yaris and the Toyota 86.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBulb compatibility: H8\/H11\/880\/881 fog lamp sockets\u003c\/li\u003e\n  \u003cli\u003eVehicle coverage: Toyota models from roughly 2005–2022 as listed in the product details\u003c\/li\u003e\n  \u003cli\u003eCommon uses: factory fog light replacement, retrofit kits, add-on auxiliary fogs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the wiring harness protect the vehicle's electrical system?\u003c\/h3\u003e\n\u003cp\u003eThe kit routes power through a dedicated 40A relay and uses 16AWG pure copper conductors, reducing voltage drop and protecting factory circuits. A flame-retardant corrugated sleeve encloses the bundle for abrasion resistance and heat protection during routing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRelay: SPST 40A 12V relay isolates lamp current from factory wiring\u003c\/li\u003e\n  \u003cli\u003eWiring: 16AWG pure copper for efficient current flow up to the harness rating\u003c\/li\u003e\n  \u003cli\u003eProtection: corrugated, flame-retardant housing for durability and safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components come in the package and what will I need to check before buying?\u003c\/h3\u003e\n\u003cp\u003eThe package contains the fog light connector harness, a 40A 4-pin relay and a 33mm x 22mm push-button switch with LED indicator. Fog bulbs are not included; verify the switch dimensions and confirm your fog lamp socket type before purchasing to ensure fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: wiring harness, 40A DC 4-pin relay, illuminated push-button switch\u003c\/li\u003e\n  \u003cli\u003eNot included: fog lights\/bulbs and any vehicle-specific trim or mounting hardware\u003c\/li\u003e\n  \u003cli\u003eBuyer checklist: measure switch cutout size and confirm fog lamp socket compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I control fog lights independently and avoid dimming when other lights run?\u003c\/h3\u003e\n\u003cp\u003eYes — the relay and independent switch allow separate control of fog lights so they can operate alongside high beams without causing voltage drop across the vehicle's original circuits. That separate feed improves reliability during heavy-load lighting situations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIndependent control: on\/off via included push-button switch\u003c\/li\u003e\n  \u003cli\u003eReduced voltage drop: direct relay feed prevents dimming under load\u003c\/li\u003e\n  \u003cli\u003eExpandable run: long pigtail wiring for flexible routing to desired lamp locations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This nsautolighting harness is aimed at Toyota owners and installers who want a clean, protected way to replace or add fog lights without cutting into the factory harness. It suits DIY mechanics, shop installers and anyone fitting aftermarket fog or driving lamps who needs a relay-protected, OEM-friendly switch and plug solution. Before ordering, measure the switch opening in your dash and confirm your fog lamp socket type to ensure compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this harness fit my Toyota Tacoma or Tundra?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes for many model years listed; check your fog socket type (H8\/H11\/880\/881) and measure the switch opening before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include fog bulbs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the kit includes the wiring harness, 40A relay and illuminated switch; bulbs are sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"nsautolighting","offers":[{"title":"Default Title","offer_id":48084494516382,"sku":"B0BKPQFMR3","price":33.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/nsautolighting-front-view-harness-assembled.jpg?v=1785857305","url":"https:\/\/northtrailauto.ca\/products\/nsautolighting-h11-h8-fog-light-wiring-harness-for-toyota-tundra-tacoma-40a-relay-illuminated-switch","provider":"North Trail Auto","version":"1.0","type":"link"}