{"product_id":"spal-fan-harness-with-40a-relay-universal-electric-cooling-fan-wiring-kit-plug-and-play-protection","title":"Spal Fan Harness with 40A Relay — Universal Electric Cooling Fan Wiring Kit, Plug-and-Play Protection","description":"\u003cp\u003e\u003cstrong\u003eThe Spal Fan Harness with 40 Amp relay is a universal wiring kit designed to safely power electric cooling fans while protecting switches and simplifying installation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis ready-to-install harness pairs a durable 40 Amp relay with appropriately gauged wiring and connectors so you can control an electric radiator or condenser fan without running high current through the dash switch. The kit is built for universal fitment, packaged compactly for easy storage, and ships from China. It balances straightforward wiring, reliable components, and a compact footprint to suit custom installs and replacement jobs.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness protect my vehicle’s switch and wiring?\u003c\/h3\u003e\n\u003cp\u003eThe included 40 Amp relay takes the heavy electrical load off the dashboard switch so only a small control current flows through the switch contacts. That reduces heat, wear and the risk of a blown switch or burnt harness in high-current fan applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40 Amp relay handles continuous fan loads without overworking the control switch\u003c\/li\u003e\n  \u003cli\u003eProperly sized wires reduce voltage drop and overheating\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play connectors avoid amateur splicing that can cause faults\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes this a universal fit for different fan setups?\u003c\/h3\u003e\n\u003cp\u003eThe harness is designed to work with a wide range of aftermarket and OEM electric fans by using standard relay and connector layouts. That flexibility lets you install it on many radiators, oil coolers or condenser fans without needing model-specific adapters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard relay footprint and terminals compatible with common fan wiring\u003c\/li\u003e\n  \u003cli\u003eVersatile lead lengths to reach typical engine-bay mounting points\u003c\/li\u003e\n  \u003cli\u003eUniversal connectors that mate with many fan plug types or allow secure crimping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow straightforward is installation for a DIY mechanic?\u003c\/h3\u003e\n\u003cp\u003eInstallation is kept simple: mount the relay to a chassis ground, connect the power lead to the battery or fused source, attach the fan leads, and wire the trigger to your switch or thermostat. Basic hand tools and a multimeter are usually all you need.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClear wiring layout reduces guesswork during installation\u003c\/li\u003e\n  \u003cli\u003eCompact package dimensions make fitting the relay in tight engine bays easier\u003c\/li\u003e\n  \u003cli\u003ePackage includes harness weight and size details to plan mounting location\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat electrical and packaging specs should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe harness uses a 40 Amp relay rated for automotive loads and arrives in a compact, lightweight package suitable for storage or shipping. Knowing these specs helps ensure compatibility with your fan’s current draw and available mounting space.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRelay rating: 40 Amps — suitable for most electric cooling fans within that current range\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions: 19.812 H x 7.366 L x 14.224 W centimeters\u003c\/li\u003e\n  \u003cli\u003ePackage weight: 0.748 kilograms; country of origin: China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Spal 40 Amp Fan Harness with Relay is aimed at enthusiasts, mechanics and DIYers who need a reliable, universal wiring solution for electric cooling fans. It’s a practical choice if you want to offload fan current from dash circuits, streamline wiring for a new or replacement fan, or add a safer, organized relay setup to an existing installation.\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 handle my fan’s current?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The relay is rated for 40 Amps; it’s suitable if your fan’s steady draw is at or below that rating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include mounting hardware?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The harness includes the relay and connectors; basic mounting hardware is typically required separately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Spal","offers":[{"title":"Default Title","offer_id":48084131872926,"sku":"B003PB4AY8","price":91.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/spal-fan-harness-front-view.jpg?v=1785847082","url":"https:\/\/northtrailauto.ca\/products\/spal-fan-harness-with-40a-relay-universal-electric-cooling-fan-wiring-kit-plug-and-play-protection","provider":"North Trail Auto","version":"1.0","type":"link"}