{"product_id":"aermotor-automotive-circuit-tester-6-48v-led-voltage-display-probe","title":"Aermotor Automotive Circuit Tester 6-48V LED Voltage Probe Kit","description":"\n\u003cp\u003eDiagnose your vehicle's electrical system with confidence using the \u003cstrong\u003eAermotor Automotive Electric Circuit Tester\u003c\/strong\u003e. This professional-grade probe kit features a clear digital voltage display, built-in buzzer, and color-coded LED indicators — giving you fast, accurate readings for any 6V to 48V DC automotive circuit. Whether you're chasing a short circuit, checking continuity, or testing ground connections, this tool has you covered from bumper to bumper.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Choose the Aermotor Circuit Tester?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccurate Digital Voltage Display:\u003c\/strong\u003e Instantly read DC voltages from 6V to 48V — far more precise than traditional test lights or analogue testers. Perfect for modern cars, trucks, RVs, and electric vehicles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverload Protection (8A Auto Cut-Off):\u003c\/strong\u003e When current exceeds 8A, the tester automatically cuts off the circuit, protecting both you and your vehicle from potential damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Buzzer \u0026amp; Dual-Color LED:\u003c\/strong\u003e Red LED = positive voltage. Green LED = negative voltage. The audible buzzer alerts you to circuit conditions even when you can't see the display — ideal for tight, dark engine bays.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtra-Long 4.5-Meter Cable:\u003c\/strong\u003e Reach from the front to the rear of any vehicle without repositioning your ground clamp. No more stretching or guessing — test any circuit in one go.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Function Testing:\u003c\/strong\u003e Handles voltage measurement, polarity detection, continuity testing, short circuit tracing, ground integrity testing, component testing (online \u0026amp; offline), and jumper operations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Two voltage ranges available — \u003cstrong\u003e6–36V\u003c\/strong\u003e and \u003cstrong\u003e6–48V\u003c\/strong\u003e — covering 12V\/24V passenger vehicles, trucks, marine systems, and hybrid\/EV auxiliary circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConnect the \u003cstrong\u003ered clip\u003c\/strong\u003e to the battery positive terminal and the \u003cstrong\u003eblack clip\u003c\/strong\u003e to the negative terminal. The blue digital display shows the current battery voltage.\u003c\/li\u003e\n  \u003cli\u003ePress the tester button to the \u003cstrong\u003e(▲) position\u003c\/strong\u003e for positive output (LED red) or the \u003cstrong\u003e(▼) position\u003c\/strong\u003e for negative output (LED green) to self-check.\u003c\/li\u003e\n  \u003cli\u003eTouch the probe to any circuit contact point: \u003cstrong\u003eRed LED\u003c\/strong\u003e = positive voltage present; \u003cstrong\u003eGreen LED\u003c\/strong\u003e = negative\/ground present.\u003c\/li\u003e\n  \u003cli\u003eFor continuity tests, clamp the black clip to one end of the wire and probe the other — green LED confirms a live connection.\u003c\/li\u003e\n  \u003cli\u003eFor grounding tests, press to the negative position and touch the probe to the component's ground point — green LED + buzzer = good ground.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6–36V DC \/ 6–48V DC (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverload Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto cut-off at 8A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual-color LED (Red\/Green) + Audible Buzzer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital voltage readout\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatteries Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\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\u003chr\u003e\n\n\u003ch2\u003eRelated Products You May Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/100-pack-disposable-nitrile-gloves-latex-free-white-oil-proof\"\u003e100-Pack Disposable Nitrile Gloves – Latex-Free, White, Oil-Proof\u003c\/a\u003e — Keep your hands clean while working on vehicle circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/22awg-glass-tube-fuse-holder-5x20mm-6x30mm-screw-type-10-pack\"\u003e10-Pack 22AWG Glass Tube Fuse Holder 5x20mm \u0026amp; 6x30mm Screw\u003c\/a\u003e — Essential fuse holders for automotive wiring projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/140w-usb-c-fast-charging-adapter-auto-power-off-overcharge-protection\"\u003e140W USB-C Fast Charger with Auto Power-Off Overcharge Protection\u003c\/a\u003e — Protect your devices with smart charging technology.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003eFor more information on automotive electrical safety, visit the U.S. Consumer Product Safety Commission (CPSC) for guidance on safe use of electrical testing equipment.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What voltage range does the Aermotor automotive circuit tester support?\u003c\/h4\u003e\n\u003cp\u003eA: The Aermotor circuit tester is available in two versions: a \u003cstrong\u003e6–36V DC\u003c\/strong\u003e model and a \u003cstrong\u003e6–48V DC\u003c\/strong\u003e model. Both are suitable for standard 12V and 24V automotive systems, with the 6–48V version also covering larger trucks, RVs, marine vessels, and some hybrid vehicle auxiliary circuits.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the circuit tester have overload protection?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The Aermotor automotive probe tester features an automatic cut-off function that activates when current exceeds \u003cstrong\u003e8 amps\u003c\/strong\u003e, protecting both the user and the vehicle's electrical system from damage during testing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this circuit tester in dark or poorly lit spaces?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The tester includes a \u003cstrong\u003ebuilt-in dual-color LED light\u003c\/strong\u003e (red for positive voltage, green for negative\/ground) and an \u003cstrong\u003eaudible buzzer\u003c\/strong\u003e, so you can get clear readings by sight or sound even in tight, dark engine bays or under-dash environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long is the cable on the Aermotor circuit tester?\u003c\/h4\u003e\n\u003cp\u003eA: The tester comes with an extended \u003cstrong\u003e4.5-meter (approximately 15-foot) cable\u003c\/strong\u003e, allowing you to ground the clamp at the battery and comfortably probe circuits anywhere in the vehicle — front to rear — without moving your ground connection.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this circuit probe suitable for testing modern electric or hybrid vehicles?\u003c\/h4\u003e\n\u003cp\u003eA: The 6–48V model can handle the auxiliary 12V\/24V circuits found in hybrid and electric vehicles. However, it is not designed for high-voltage EV drive systems (typically 300V+). Always follow your vehicle manufacturer's safety guidelines when working with any electrical system.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage range does the Aermotor automotive circuit tester support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Aermotor circuit tester is available in two versions: a 6–36V DC model and a 6–48V DC model. Both are suitable for standard 12V and 24V automotive systems, with the 6–48V version also covering larger trucks, RVs, marine vessels, and some hybrid vehicle auxiliary circuits.\"}}, {\"@type\": \"Question\", \"name\": \"Does the circuit tester have overload protection?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The Aermotor automotive probe tester features an automatic cut-off function that activates when current exceeds 8 amps, protecting both the user and the vehicle's electrical system from damage during testing.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this circuit tester in dark or poorly lit spaces?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The tester includes a built-in dual-color LED light (red for positive voltage, green for negative\/ground) and an audible buzzer, so you can get clear readings by sight or sound even in tight, dark engine bays or under-dash environments.\"}}, {\"@type\": \"Question\", \"name\": \"How long is the cable on the Aermotor circuit tester?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The tester comes with an extended 4.5-meter (approximately 15-foot) cable, allowing you to ground the clamp at the battery and comfortably probe circuits anywhere in the vehicle — front to rear — without moving your ground connection.\"}}, {\"@type\": \"Question\", \"name\": \"Is this circuit probe suitable for testing modern electric or hybrid vehicles?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 6–48V model can handle the auxiliary 12V\/24V circuits found in hybrid and electric vehicles. However, it is not designed for high-voltage EV drive systems (typically 300V+). Always follow your vehicle manufacturer's safety guidelines when working with any electrical system.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"6-36V","offer_id":47710910677097,"sku":"14:173#6-36V","price":49.19,"currency_code":"USD","in_stock":true},{"title":"6-48V","offer_id":47710910709865,"sku":"14:10#6-48V","price":50.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sf3d7a20fdaf84bba9e9c3dd5b7a4e095I.webp?v=1782062841","url":"https:\/\/oasis-select.com\/products\/aermotor-automotive-circuit-tester-6-48v-led-voltage-display-probe","provider":"Oasis Select","version":"1.0","type":"link"}