{"product_id":"12v-24v-5-pin-40a-automotive-relay-socket-harness-spdt-jd1914","title":"12V\/24V 5-Pin 40A Car Relay with Socket \u0026 Harness – SPDT JD1914","description":"\n\u003ch2\u003e12V\/24V 5-Pin 40A Automotive Relay with Socket \u0026amp; Wiring Harness\u003c\/h2\u003e\n\u003cp\u003eUpgrade your vehicle's electrical system with this heavy-duty \u003cstrong\u003e5-pin SPDT automotive relay\u003c\/strong\u003e. Rated at 40A and compatible with both 12V and 24V systems, this relay delivers stable, high-current switching for a wide range of on-board devices — from headlights and audio systems to air conditioning compressors and power windows. Whether you're a seasoned mechanic or a first-time installer, the plug-in socket design makes installation quick, clean, and solder-free.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Power 40A Output:\u003c\/strong\u003e Handles demanding automotive loads including headlights, speakers, AC compressors, and electric windows without start-up failures or operational lag.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5-Pin SPDT Design:\u003c\/strong\u003e Standardized 5-pin layout clearly separates control and power pins. Pairs with the included dedicated socket for tool-free, plug-in installation — no soldering required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Locking Fit:\u003c\/strong\u003e Built-in rear fixing buckle slots precisely into the socket's positioning hole, keeping pins firmly engaged even over rough terrain and constant vibration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlame-Retardant ABS Shell:\u003c\/strong\u003e High-grade, flame-retardant ABS engineering plastic provides excellent insulation and resists ignition at elevated temperatures, adding an extra layer of electrical safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilver-Alloy Internal Contacts:\u003c\/strong\u003e Arc-resistant silver-alloy contacts far outlast standard copper contacts, with a rated service life exceeding \u003cstrong\u003e100,000 switching cycles\u003c\/strong\u003e — ideal for high-frequency start\/stop applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Vehicle Compatibility:\u003c\/strong\u003e Standardized specs suit sedans, SUVs, trucks, and motorcycles running 12V or 24V systems. Perfect for lighting upgrades, audio modifications, electric accessory installs, and replacing worn or faulty OEM relays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJD1914\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V \/ 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-Pin SPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame-Retardant ABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 × 3 × 19 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 5-Pin 40A Automotive Relay (JD1914)\u003c\/li\u003e\n  \u003cli\u003e1 × Matching Relay Socket with Harness Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/insulated-outdoor-faucet-cover-winter-hose-bib-protector\"\u003eInsulated Outdoor Faucet Cover – Winter Hose Bib Protector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/reptile-infrared-heat-lamp-bulb-terrarium-turtle-heater\"\u003eReptile Infrared Heat Lamp Bulb | Turtle \u0026amp; Terrarium Heater\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/winter-outdoor-faucet-cover-waterproof-oxford-cloth-tap-protector\"\u003eWinter Outdoor Faucet Cover – Waterproof Oxford Cloth Tap Protector\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fueleconomy.gov\/feg\/maintain.jsp\" target=\"_blank\" rel=\"noopener\"\u003eFuelEconomy.gov on vehicle maintenance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this automotive relay compatible with both 12V and 24V vehicles?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The JD1914 relay supports both 12V and 24V input voltages, making it compatible with a wide range of vehicles including sedans, SUVs, trucks, and motorcycles. Always verify your vehicle's circuit voltage before installation.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need to solder the relay to install it?\u003c\/h4\u003e\n\u003cp\u003eA: No soldering is required. The relay comes with a dedicated matching socket and harness cable, allowing for a straightforward plug-in connection. The rear fixing buckle locks the relay securely into the socket for a stable, vibration-resistant fit.\u003c\/p\u003e\n\u003ch4\u003eQ: What devices can this 40A relay power?\u003c\/h4\u003e\n\u003cp\u003eA: With a 40A rated current, this relay can handle high-power automotive devices such as headlights, driving lights, car audio speakers, air conditioning compressors, electric windows, and other high-draw accessories commonly found in 12V\/24V vehicle electrical systems.\u003c\/p\u003e\n\u003ch4\u003eQ: How long will the relay last?\u003c\/h4\u003e\n\u003cp\u003eA: The silver-alloy internal contacts are rated for over 100,000 switching cycles, providing long-term durability even in high-frequency start\/stop applications — well beyond the lifespan of standard copper-contact relays.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this automotive relay compatible with both 12V and 24V vehicles?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The JD1914 relay supports both 12V and 24V input voltages, making it compatible with a wide range of vehicles including sedans, SUVs, trucks, and motorcycles. Always verify your vehicle's circuit voltage before installation.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need to solder the relay to install it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No soldering is required. 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