{"product_id":"dual-electric-fan-relay-kit-temperature-sensor-switch-reliable","title":"Dual Electric Fan Relay Kit Temperature Sensor Switch - Reliable","description":"\u003cp\u003eIn this review the Dual Electric Fan Relay Kit is evaluated for installers and DIYers who need a straightforward temperature-controlled solution to prevent engine overheating. The bottom line: this kit stands out for its simple, effective design and the included \u003cstrong\u003e185F on \/ 175F off\u003c\/strong\u003e thermostat switch, which is the single biggest reason to buy - it automates fan operation so cooling happens only when needed. The kit is most useful when converting to electric fans or replacing relay and switch components without hunting for separate parts.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Cooling:\u003c\/strong\u003e Compatible with 10in, 12in, 14in, and 16in fans and includes a 60 amp relay so it can drive common single or dual radiator fans reliably.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature-Controlled:\u003c\/strong\u003e The thermostat switch with 185F on and 175F off points keeps engine temperature in a narrow range to reduce idling run time and prevent overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Wiring Kit:\u003c\/strong\u003e The wiring harness, 4-pin relay, fuse holders and a clear wiring diagram simplify installation for both conversions and replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Components:\u003c\/strong\u003e Fuse holders and relays are designed for durability in wet conditions, which helps maintain reliable operation in all weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Works across cars, trucks and marine applications and supports single or dual fan setups for broad compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit is ideal for home mechanics, shops doing electric fan conversions, and owners replacing old radiator fan relays who want a temperature-controlled, all-in-one solution. It suits projects where compatible fan sizes are 10in to 16in and a 60 amp capacity is sufficient.\u003c\/p\u003e\u003cp\u003eThose who need factory-specific plug connectors or higher current capacity for very large fans should look elsewhere, since the kit focuses on general wiring harnesses and may not include every OEM-style connector.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes a clear wiring diagram and all main components for a straightforward install.\u003c\/li\u003e\n\u003cli\u003eThe thermostat switch reliably activates at 185F and turns off at 175F for tight temperature control.\u003c\/li\u003e\n\u003cli\u003eWaterproof fuse holders and durable relay parts improve longevity in harsh conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSome users report the kit does not include OEM plug connectors, so additional connectors may be needed.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan compatibility\u003c\/td\u003e\n\u003ctd\u003e10in, 12in, 14in, 16in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay capacity\u003c\/td\u003e\n\u003ctd\u003e60 amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermostat switch\u003c\/td\u003e\n\u003ctd\u003e185F on \/ 175F off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay type\u003c\/td\u003e\n\u003ctd\u003e4-pin relay included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003eWiring harness with fuse holders and diagram\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eCars, trucks, boats, single or dual fan setups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Dual Electric Fan Relay Kit is a practical, value-oriented choice for anyone converting to electric fans or replacing cooling components. Its temperature-controlled switch, 60 amp relay and waterproof fuse holders deliver dependable performance in common automotive and marine uses, and the included wiring diagram speeds installation. Buy this if you want reliable automated fan control without sourcing many separate parts.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this kit run two fans?\u003c\/strong\u003e\u003cbr\u003eYes, the kit is designed for single or dual fan setups and includes a 60 amp relay suitable for typical dual fan configurations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat temperature does the switch use?\u003c\/strong\u003e\u003cbr\u003eThe thermostat switch closes at 185F and opens at 175F to maintain a narrow operating range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre OEM plug connectors included?\u003c\/strong\u003e\u003cbr\u003eThe kit includes a wiring harness and most fasteners, but some users note OEM-style plug connectors may not be supplied and could be added separately.\u003c\/p\u003e","brand":"FASTSTORM","offers":[{"title":"Default Title","offer_id":48186460930267,"sku":"B0DKWNQF43","price":35.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81bK5sDTn9L._SL1500.jpg?v=1769523710","url":"https:\/\/gearmusthave.com\/products\/dual-electric-fan-relay-kit-temperature-sensor-switch-reliable","provider":"GearMustHave","version":"1.0","type":"link"}