{"product_id":"automotive-circuit-tester-6-24v-led-display-buzzer-electrical-diagnostic","title":"Automotive Circuit Tester 6-24V | LED \u0026 Buzzer Indicator","description":"\n\u003ch2\u003eAutomotive Circuit Tester – Fast, Accurate 6-24V Electrical Diagnostics\u003c\/h2\u003e\n\u003cp\u003eTake the guesswork out of automotive electrical troubleshooting with this \u003cstrong\u003eMultifunctional Automotive Circuit Tester\u003c\/strong\u003e. Designed for both professional mechanics and DIY enthusiasts, this compact tool tests circuits from \u003cstrong\u003e6V to 24V\u003c\/strong\u003e, making it compatible with motorcycles, cars, trucks, RVs, and boats. Its built-in \u003cstrong\u003eLED display\u003c\/strong\u003e and \u003cstrong\u003eaudible buzzer notification\u003c\/strong\u003e give you instant visual and sound feedback so you can identify live wires, blown fuses, faulty grounds, and broken circuits in seconds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Supports 6V to 24V DC systems — ideal for 12V and 24V vehicles including cars, trucks, vans, motorcycles, and marine applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Feedback:\u003c\/strong\u003e Bright LED indicator light AND audible buzzer alert ensure you never miss a signal, even in noisy workshop environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSharp Probe Tip:\u003c\/strong\u003e Easily pierces wire insulation for quick back-probe testing without damaging wiring harnesses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Rugged housing withstands everyday workshop use, drops, and grease — built to last in demanding conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Test Lead:\u003c\/strong\u003e Extended ground cable with alligator clip provides flexible reach across engine bays and tight spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Battery Required:\u003c\/strong\u003e Powers directly off the vehicle's own circuit — no need to carry or replace batteries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Compact:\u003c\/strong\u003e Fits easily in a toolbox, glove compartment, or pocket for roadside diagnostics anytime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Can You Test?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFuses, relays, and bulbs\u003c\/li\u003e\n  \u003cli\u003eBattery voltage and charging system\u003c\/li\u003e\n  \u003cli\u003eSwitches, connectors, and solenoids\u003c\/li\u003e\n  \u003cli\u003eGround continuity and open circuits\u003c\/li\u003e\n  \u003cli\u003eTrailer wiring and accessory circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eClip the ground lead to a known good ground (e.g., chassis or battery negative).\u003c\/li\u003e\n  \u003cli\u003eTouch the probe tip to the circuit or wire you want to test.\u003c\/li\u003e\n  \u003cli\u003eIf the circuit is live, the LED lights up and the buzzer sounds immediately.\u003c\/li\u003e\n  \u003cli\u003eNo light or sound indicates an open or dead circuit — diagnosis complete!\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e 6V – 24V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndicator:\u003c\/strong\u003e LED Light + Audible Buzzer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Required:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2ch-16a-tuya-wifi-smart-switch-intelligent-interruptor-smart-life-app-control-breaker-relay-works-with-alexa-google-assistant\"\u003e1\/2 Channel Tuya WiFi Smart Relay Switch | 16A, Alexa \u0026amp; Google Home\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2ch-tuya-wifi-smart-switch-100-240v-16a-relay-breaker-works-with-smart-life-app-alexa-google-assistant-smart-automation-module\"\u003eTuya WiFi Smart Switch 16A | Smart Automation Module\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExpert Safety Resource\u003c\/h3\u003e\n\u003cp\u003eFor best practices when working with automotive electrical systems, refer to the OSHA Automotive Service Safety Guidelines.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Pico_Technology\" target=\"_blank\" rel=\"noopener\"\u003ePico Technology\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage range does this automotive circuit tester support?\u003c\/h4\u003e\n\u003cp\u003eA: This circuit tester supports DC voltage systems from \u003cstrong\u003e6V to 24V\u003c\/strong\u003e, making it compatible with standard 12V passenger vehicles, 24V trucks, motorcycles, RVs, trailers, and marine electrical systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the automotive circuit tester require batteries to operate?\u003c\/h4\u003e\n\u003cp\u003eA: No — this circuit tester draws power directly from the vehicle's own electrical circuit via the test probe and ground lead, so no separate battery is needed. Simply attach the ground clip and probe the circuit you want to test.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the LED and buzzer feedback system work?\u003c\/h4\u003e\n\u003cp\u003eA: When the probe tip contacts a live circuit within the 6–24V range, the \u003cstrong\u003eLED indicator illuminates\u003c\/strong\u003e and the \u003cstrong\u003eaudible buzzer activates simultaneously\u003c\/strong\u003e. This dual-alert system lets you diagnose circuits by sight or sound — extremely useful in bright or noisy garage environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this circuit tester on motorcycles and marine vehicles?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The 6–24V DC range covers virtually all 12V and 24V battery-based systems, including motorcycles, ATVs, boats, RVs, and commercial trucks. It's a truly versatile tool for any automotive or powersports electrical diagnosis.\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 this automotive circuit tester support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This circuit tester supports DC voltage systems from 6V to 24V, making it compatible with standard 12V passenger vehicles, 24V trucks, motorcycles, RVs, trailers, and marine electrical systems.\"}}, {\"@type\": \"Question\", \"name\": \"Does the automotive circuit tester require batteries to operate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this circuit tester draws power directly from the vehicle's own electrical circuit via the test probe and ground lead, so no separate battery is needed. Simply attach the ground clip and probe the circuit you want to test.\"}}, {\"@type\": \"Question\", \"name\": \"How does the LED and buzzer feedback system work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"When the probe tip contacts a live circuit within the 6–24V range, the LED indicator illuminates and the audible buzzer activates simultaneously. This dual-alert system lets you diagnose circuits by sight or sound — extremely useful in bright or noisy garage environments.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this circuit tester on motorcycles and marine vehicles?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The 6–24V DC range covers virtually all 12V and 24V battery-based systems, including motorcycles, ATVs, boats, RVs, and commercial trucks. It's a truly versatile tool for any automotive or powersports electrical diagnosis.\"}}]}\u003c\/script\u003e","brand":"Peaceful Pleasures Health and Wellness","offers":[{"title":"green","offer_id":53494032695609,"sku":"1005009186883308-green","price":36.21,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":53494032728377,"sku":"1005009186883308-Red","price":34.43,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":53494032761145,"sku":"1005009186883308-Blue","price":34.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/3689\/5801\/files\/S026669e290a64cfba34f67804fc7b8484_c7371468-38e9-4f38-bb97-0a3083cef2a5.webp?v=1781987983","url":"https:\/\/peacefulpleasureswellness.com\/products\/automotive-circuit-tester-6-24v-led-display-buzzer-electrical-diagnostic","provider":"Peaceful Pleasures Health and Wellness","version":"1.0","type":"link"}