{"product_id":"dw833-2-in-1-automotive-relay-circuit-tester-12v-24v","title":"DW833 2-in-1 Automotive Relay \u0026 Circuit Tester 12V\/24V","description":"\n\u003ch2\u003eDW833 2-in-1 Automotive Relay \u0026amp; Circuit Tester — 12V\/24V Universal\u003c\/h2\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eDW833\u003c\/strong\u003e — a professional-grade, dual-function tool that combines a \u003cstrong\u003ecar circuit detector\u003c\/strong\u003e and a \u003cstrong\u003erelay fault tester\u003c\/strong\u003e into one compact, easy-to-use device. Whether you're diagnosing passenger cars, commercial trucks, or heavy construction machinery, the DW833 has you covered with its wide DC 3.5V–36V operating range and HD digital voltage display.\u003c\/p\u003e\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2-in-1 Dual Capability:\u003c\/strong\u003e Functions as both a car circuit detector and a relay fault tester — eliminating the need for two separate tools in your kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Operates across DC 3.5V–36V, making it universally compatible with 12V passenger vehicles and 24V trucks, vans, and construction equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHD Digital Voltage Display:\u003c\/strong\u003e A clear, high-definition readout with polarity indicator provides fast and accurate circuit assessments at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Pin \u0026amp; 5-Pin Relay Support:\u003c\/strong\u003e Detects contact faults and coil burn issues across the most common automotive standard relay configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in LED Work Light:\u003c\/strong\u003e Integrated illumination helps you work confidently in dim engine bays and low-light environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolarity Output Switch:\u003c\/strong\u003e Positive and negative output switching buttons with polarity indicator lights for precise, safe diagnostics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged Build:\u003c\/strong\u003e Waterproof and drop-resistant plastic housing rated for working temperatures from -20°C to +55°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eDW833\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eProduct Size\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e259 × 48 × 30 mm \/ 10.2 × 1.89 × 1.18 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eCircuit Test Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eDC 3.5V – 36V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eVehicle Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e12V \/ 24V Universal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eRelay Pin Support\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e4 PIN \u0026amp; 5 PIN Automotive Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eHigh-Definition Digital Voltage Display\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eBuilt-in Functions\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eLED Work Light, Polarity Indicator Lights, Polarity Output Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eApplicable Vehicles\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e12V Cars, 24V Trucks, Commercial Vehicles, Construction Machinery\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e-20°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003ePlastic (Waterproof \u0026amp; Drop-Resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold;\"\u003eBatteries Included\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eNo\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 × DW833 Relay \u0026amp; Circuit Tester\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExplore More Tools\u003c\/h3\u003e\n\u003cp\u003eLooking for more handy tools and accessories? Check out these popular picks from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrenches, 6 Sizes Sink Wrenches Detach Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Nozzle Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-sheath-fold-knife-plier-bag-pouch-case-sheath-belt-loop-pocket-carry-storage-flashlight-holder-waist-pack\"\u003e1PC Sheath Fold Knife Plier Bag Pouch Case with Belt Loop\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to different monitor settings and lighting conditions, the actual product color may vary slightly from images. Please allow a 1–2 cm difference in measurements due to manual measuring.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fueleconomy.gov\/feg\/drive.shtml\" target=\"_blank\" rel=\"noopener\"\u003eFuelEconomy.gov driving efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the DW833 automotive relay tester compatible with both 12V and 24V vehicles?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the DW833 relay and circuit tester supports a wide DC 3.5V–36V range, making it fully compatible with 12V passenger cars as well as 24V trucks, commercial vehicles, and construction machinery.\u003c\/p\u003e\n\u003ch4\u003eQ: Which relay pin configurations does the DW833 support?\u003c\/h4\u003e\n\u003cp\u003eA: The DW833 supports both 4-pin and 5-pin automotive standard relays, covering the most common relay types found in modern vehicles for comprehensive contact fault and coil diagnostics.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the DW833 circuit tester come with batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are not included with the DW833. Please ensure you have the appropriate batteries on hand before use.\u003c\/p\u003e\n\u003ch4\u003eQ: Can the DW833 be used in wet or harsh workshop environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The DW833 is built with a waterproof and drop-resistant plastic housing and is rated for operation in temperatures ranging from -20°C to +55°C, making it suitable for demanding workshop and field conditions.\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 the DW833 automotive relay tester compatible with both 12V and 24V vehicles?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the DW833 relay and circuit tester supports a wide DC 3.5V–36V range, making it fully compatible with 12V passenger cars as well as 24V trucks, commercial vehicles, and construction machinery.\"}}, {\"@type\": \"Question\", \"name\": \"Which relay pin configurations does the DW833 support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DW833 supports both 4-pin and 5-pin automotive standard relays, covering the most common relay types found in modern vehicles for comprehensive contact fault and coil diagnostics.\"}}, {\"@type\": \"Question\", \"name\": \"Does the DW833 circuit tester come with batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, batteries are not included with the DW833. 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The DW833 is built with a waterproof and drop-resistant plastic housing and is rated for operation in temperatures ranging from -20°C to +55°C, making it suitable for demanding workshop and field conditions.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DW833 2-in-1 Automotive Relay \u0026 Circuit Tester 12V\/24V\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/dw833-2-in-1-automotive-relay-circuit-tester-12v-24v\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Red","offer_id":67582095556707,"sku":"1005013179510648-Red","price":135.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/S27369737eb8447dfac7e7bbc24c74791P.webp?v=1790515580","url":"https:\/\/nixiehaven.com\/products\/dw833-2-in-1-automotive-relay-circuit-tester-12v-24v","provider":"Nixie","version":"1.0","type":"link"}