{"product_id":"professional-non-destructive-automotive-circuit-tester-wire-tracer","title":"Professional Non-Destructive Automotive Circuit Tester \u0026 Wire Tracer","description":"\u003cspan\u003eThe Diagnostic Struggle\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eChasing electrical ghosts\u003cspan\u003eshouldn't take all day.\u003c\/span\u003e\n\u003c\/h2\u003e\u003ch3\u003eDestructive Testing\u003c\/h3\u003e\u003cp\u003eTraditional methods force you to cut, strip, and damage wire insulation just to find a break, inviting future corrosion and harness failure.\u003c\/p\u003e\u003ch3\u003eSensitive ECU Risks\u003c\/h3\u003e\u003cp\u003eBasic test lights can draw too much current, potentially frying expensive electronic control units and sensitive vehicle sensors.\u003c\/p\u003e\u003ch3\u003eHours of Guesswork\u003c\/h3\u003e\u003cp\u003eManually scanning entire wiring harnesses behind dashboards and under seats is a nightmare that wastes time and causes mechanic frustration.\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWhat if diagnostics were\u003c\/span\u003enon-destructive \u0026amp; instant?\u003c\/p\u003e\u003cspan\u003eSee the solution\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eJames from Texas\u003c\/p\u003e\u003cp\u003ePurchased TesiLoci Tester\u003c\/p\u003e\u003cp\u003e4 minutes ago\u003c\/p\u003e\u003cp\u003eRobert from Florida\u003c\/p\u003e\u003cp\u003ePurchased TesiLoci Bundle\u003c\/p\u003e\u003cp\u003e12 minutes ago\u003c\/p\u003e\u003cp\u003eWilliam from Michigan\u003c\/p\u003e\u003cp\u003ePurchased TesiLoci Tester\u003c\/p\u003e\u003cp\u003e15 minutes ago\u003c\/p\u003e\u003cspan\u003eThe Solution\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eFind shorts and breaks instantly,\u003cbr\u003e\u003cspan\u003ewithout stripping a single wire\u003c\/span\u003e\n\u003c\/h2\u003e\u003cp\u003eTesiLoci uses advanced signal frequency detection and intelligent LED indicators to pinpoint faults through wire jackets and behind panels. No cutting, no guesswork, just professional-grade precision.\u003c\/p\u003e\u003cspan\u003eOld Method\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eThe Hard Way\u003c\/h3\u003e\u003cspan\u003eCutting insulation to find breaks\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRisk of damaging sensitive ECUs\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHours spent stripping harnesses\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eInability to reach tight conduit runs\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWith TesiLoci\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eThe Smart Way\u003c\/h3\u003e\u003cspan\u003eNon-destructive through-jacket tracing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSafe 6V-42V surge protection\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDirectional LEDs point to the short\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e15-inch flexible probe reaches anywhere\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNon-Destructive Tracing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDirectional Indicators\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSurge Protected\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e6V-42V Versatility\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eGet TesiLoci Now\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eProfessional Features\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eEverything you need\u003cspan\u003eto master vehicle electronics\u003c\/span\u003e\n\u003c\/h2\u003e\u003cspan\u003eSafe Signal\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eIntelligent Non-Destructive Tracing\u003c\/h3\u003e\u003cp\u003eThe Sender generates a safe tone signal that travels along the cable while the Receiver detects the frequency through the wire jacket. This allows you to locate faults, breaks, and short circuits without damaging the harness.\u003c\/p\u003e\u003cspan\u003eTrace wires through bundles and panels\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIdentify wires without piercing insulation\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSafe for all automotive electronic systems\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1544126592-807ade215a0b?w=600\u0026amp;h=450\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cspan\u003eTone Active\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVisual Guidance\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eIntelligent Directional Indicator\u003c\/h3\u003e\u003cp\u003eStop scanning aimlessly. Built-in directional LEDs on the Receiver point precisely toward the short circuit location, guiding you directly to the fault with surgical accuracy.\u003c\/p\u003e\u003cspan\u003eEliminates diagnostic guesswork\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBright LEDs for dark engine bays\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eReal-time fault location tracking\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1519689680058-324335c77eba?w=600\u0026amp;h=450\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cspan\u003eDeep Access\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003e15-Inch Flexible Coiled Steel Probe\u003c\/h3\u003e\u003cp\u003eEngineered for tight spaces, the long, bendable steel probe reaches into crowded engine bays, behind trim panels, and through tight conduit runs where standard probes cannot go.\u003c\/p\u003e\u003cspan\u003eHeavy-duty coiled steel construction\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eReaches under seats and behind dash\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMaintains shape for precise placement\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1555252333-9f8e92e65df9?w=600\u0026amp;h=450\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cspan\u003eHow It Works\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eFind faults in seconds,\u003cspan\u003enot hours\u003c\/span\u003e\n\u003c\/h2\u003e\u003ch3\u003eConnect the Sender\u003c\/h3\u003e\u003cp\u003eAttach the sender to the circuit in question. It injects a safe tone signal that travels the length of the wire.\u003c\/p\u003e\u003ch3\u003eTrace with Receiver\u003c\/h3\u003e\u003cp\u003eFollow the wire path with the flexible probe. The intelligent LEDs will point toward the direction of the short.\u003c\/p\u003e\u003ch3\u003ePinpoint the Fault\u003c\/h3\u003e\u003cp\u003eWhen the tone pitch changes or the LEDs signal the end of the line, you've found your break or short circuit instantly.\u003c\/p\u003e\u003cspan\u003eStart Better Diagnostics\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1489710437720-ebb67ec84dd2?w=600\u0026amp;h=700\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cp\u003eFault Located\u003c\/p\u003e\u003cp\u003eShort Detected - No Cutting Needed\u003c\/p\u003e\u003cspan\u003eProduct View\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eBuilt for the\u003cspan\u003emodern technician\u003c\/span\u003e\n\u003c\/h2\u003e\u003cp\u003eErgonomic, durable, and precise. TesiLoci is designed to survive the workshop while delivering the precision of a laboratory instrument.\u003c\/p\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1515488042361-ee00e0ddd4e4?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1544126592-807ade215a0b?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1519689680058-324335c77eba?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1555252333-9f8e92e65df9?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1489710437720-ebb67ec84dd2?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cspan\u003e50% OFF Today\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eTesiLoci Circuit Tester\u003c\/h3\u003e\u003cp\u003eNon-Destructive Automotive Diagnostic Tool\u003c\/p\u003e\u003cspan\u003e4.9\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e(1,854 reviews)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNon-Destructive Wire Tracing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e6V to 42V DC Operating Range\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDirectional LED Indicators\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e15-Inch Flexible Steel Probe\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAdd to Cart\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFree Shipping\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e90-Day Guarantee\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe Professional Edge\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eWhy pros choose\u003cspan\u003eTesiLoci\u003c\/span\u003e\n\u003c\/h2\u003e\u003cspan\u003eScroll to compare\u003c\/span\u003e\u003cbr\u003e\u003cth\u003eCapabilities\u003c\/th\u003e\u003cspan\u003eTesiLoci\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTest Lights\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMultimeters\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eTracing Method\u003c\/td\u003e\u003cspan\u003eNon-Destructive\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWire Piercing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eContact Only\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eVoltage Range\u003c\/td\u003e\u003cspan\u003e6V - 42V DC\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVarious\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eDirectional LEDs\u003c\/td\u003e\u003cspan\u003eNone\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eFlexible Reach\u003c\/td\u003e\u003cspan\u003eRigid Leads\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eECU Safe\u003c\/td\u003e\u003cspan\u003eDangerous\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eShort Detection\u003c\/td\u003e\u003ctd\u003eTone Customization\u003c\/td\u003e\u003ctd\u003ePrice\u003c\/td\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e-30\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e0-300\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eYou Save\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eToday\u003c\/span\u003e\u003c\/p\u003e\u003cspan\u003eClaim Your Discount\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMechanic Reviews\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eTrusted by shops\u003cspan\u003enationwide\u003c\/span\u003e\n\u003c\/h2\u003e\u003cdiv\u003e4.9\u003c\/div\u003e\u003cp\u003eBased on 1,854+ reviews\u003c\/p\u003e\u003cspan\u003e98% recommend\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1492725764893-90b379c2b6e7?w=400\u0026amp;h=400\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cp\u003e@m*****_shop\u003c\/p\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1544126592-807ade215a0b?w=400\u0026amp;h=400\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cp\u003e@d*****_tech\u003c\/p\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1515488042361-ee00e0ddd4e4?w=400\u0026amp;h=400\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cp\u003e@a*****_auto\u003c\/p\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1596854407944-bf87f6fdd49e?w=400\u0026amp;h=400\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cp\u003e@e*****_diy\u003c\/p\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1489710437720-ebb67ec84dd2?w=400\u0026amp;h=400\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cp\u003e@r*****_rv\u003c\/p\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1519689680058-324335c77eba?w=400\u0026amp;h=400\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cp\u003e@k*****_marine\u003c\/p\u003e\u003cp\u003e\"This tool saved me from tearing apart a whole dashboard. Found a pinched wire behind the glovebox in 10 minutes. Absolute game changer for electrical work.\"\u003c\/p\u003e\u003cspan\u003eMJ\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eMarcus J.\u003c\/p\u003e\u003cspan\u003eVerified Professional\u003c\/span\u003e\u003cbr\u003e\u003cp\u003e\"As a fleet mechanic, I deal with 24V and 42V systems often. TesiLoci handles them all safely. The directional LEDs are incredibly helpful in dark engine bays.\"\u003c\/p\u003e\u003cspan\u003eDK\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eDavid K.\u003c\/p\u003e\u003cspan\u003eVerified Professional\u003c\/span\u003e\u003cbr\u003e\u003cp\u003e\"The flexible probe is great for reaching around connectors. Used it on my boat and my truck. Non-destructive tracing is the only way to go for modern cars.\"\u003c\/p\u003e\u003cspan\u003eSR\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eSteven R.\u003c\/p\u003e\u003cspan\u003eVerified Professional\u003c\/span\u003e\u003cbr\u003e\u003cp\u003e4.9\u003c\/p\u003e\u003cp\u003eAverage Rating\u003c\/p\u003e\u003cp\u003e1,854+\u003c\/p\u003e\u003cp\u003eSatisfied Techs\u003c\/p\u003e\u003cp\u003e98%\u003c\/p\u003e\u003cp\u003eRecommend\u003c\/p\u003e\u003cp\u003e42V\u003c\/p\u003e\u003cp\u003eSafe Range\u003c\/p\u003e\u003cp\u003e90-DAY\u003c\/p\u003e\u003ch3\u003e90-Day Professional Guarantee\u003c\/h3\u003e\u003cp\u003eWe're confident TesiLoci will become your most-used tool. If it doesn't cut your diagnostic time in half, return it within 90 days for a full refund. No questions asked — we stand behind our gear.\u003c\/p\u003e\u003ca\u003eShop Now\u003c\/a\u003e\u003cbr\u003e\u003cspan\u003eTool Specs\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eFrequently asked\u003cspan\u003equestions\u003c\/span\u003e\n\u003c\/h2\u003e\u003cspan\u003eWhat voltage systems can I use this on?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eTesiLoci is designed for safe operation from 6V to 42V DC. This covers everything from 6V classic cars and standard 12V vehicles to commercial trucks and next-generation 42V hybrid systems.\u003c\/p\u003e\u003cspan\u003eDoes it require batteries?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eYes, the system requires two 9V batteries (one for the Sender and one for the Receiver). Note that batteries are not included in the standard package.\u003c\/p\u003e\u003cspan\u003eCan it find intermittent faults?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eAbsolutely. You can flex wires, connectors, and harnesses while listening for tone changes. The moment the pitch changes, you've located the intermittent fault or loose ground.\u003c\/p\u003e\u003cspan\u003eIs it safe for my car's computer (ECU)?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eYes. Unlike traditional test lights that can draw excessive current, TesiLoci features internal surge and overload protection specifically designed to prevent damage to sensitive ECUs and electronic components.\u003c\/p\u003e\u003cspan\u003eCan I use this for non-automotive wires?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eYes, it's highly versatile. It can be used for boat and RV electrical systems, telephone line state detection, and general signal cable continuity verification.\u003c\/p\u003e\u003cspan\u003eWhat if it doesn't work for my specific problem?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eWe offer a 90-day money-back guarantee. If TesiLoci doesn't meet your expectations or solve your diagnostic challenges, simply contact our support team for a full refund.\u003c\/p\u003e\u003ch2\u003eStop guessing, start pinpointing\u003c\/h2\u003e\u003cp\u003eJoin thousands of technicians who've upgraded to non-destructive diagnostics. Your time is valuable — spend it fixing, not searching.\u003c\/p\u003e\u003cspan\u003eGet 50% Off Now\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFree Shipping\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e90-Day Guarantee\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eProfessional Grade\u003c\/span\u003e","brand":"DiagPulse","offers":[{"title":"Limited Offer","offer_id":47888762142873,"sku":"SHO01265095","price":98.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/tesi-loci-img-23.png?v=1780889062","url":"https:\/\/www.diagpulse.com\/products\/professional-non-destructive-automotive-circuit-tester-wire-tracer","provider":"DiagPulse","version":"1.0","type":"link"}