{"product_id":"car-relay-harness-12v-40a-spst-4-pin-with-built-in","title":"Car Relay Harness 12V 40A SPST 4 Pin With Built In Diode 12AWG Wiring For Automotive Truck Van 2 Pack Durable High Current Relay Harness Kit Great For Automotive Wiring Projects And Easy Install DIY Ready In Cars Trucks And Vans","description":"\u003cdiv\u003e12V 40A SPST Relay Harness with Built-In Diode\u003cbr\u003e\n✔️ 2-pack, 12AWG wiring, diode-protected, automotive relay kit \u003cp\u003eThis 12V SPST relay harness kit combines a compact four-pin relay with a built-in diode, making it a handy choice for automotive wiring. It’s commonly used in cars, trucks, vans, and motorcycles to control lights, horns, or auxiliary circuits with a single trigger while protecting sensitive electronics from voltage spikes.\u003c\/p\u003e ✅ 40A\/12VDC relay load\u003cbr\u003e\n✅ Coil power: 1.8W for efficient operation\u003cbr\u003e\n✅ Built-in diode suppresses voltage spikes\u003cbr\u003e\n✅ Contact Material: Ag Alloy; Resistance ≤ 100MΩ\u003cbr\u003e\n✅ Life: Electrical 100,000 operations; Mechanical 10,000,000\u003cbr\u003e\n✅ 12AWG wiring with 4-pin, 2-pack configuration\u003cbr\u003e \u003cp\u003e💡 What is a 12V SPST relay harness with built-in diode used for in automotive electrical systems, and why is a 2-pack handy? This handy guide explains practical benefits and use cases.\u003c\/p\u003e\n- Handy for controlling lights, horns, and other 12V accessories in vehicles\n- Built-in diode protects sensitive electronics from back EMF during switching\n- 12AWG wires deliver solid connections with low resistance in tight automotive harnesses\n- 2-pack gives spare or multi-circuit capability, reducing downtime\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48022940975339,"sku":"VXB078T8CMF6","price":49.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/relay-harness-12v-40a-di-2-pack.jpg?v=1775266150","url":"https:\/\/vxb.com\/products\/car-relay-harness-12v-40a-spst-4-pin-with-built-in","provider":"VXB Bearings","version":"1.0","type":"link"}