--- product_id: 63151816 title: "allsun EM287 Automotive Circuit Tester, 2-24V LED, 16.4 ft Cable" brand: "allsun" price: "¥9222" currency: JPY in_stock: true category: "Allsun" url: https://www.desertcart.jp/products/63151816-allsun-em287-automotive-circuit-tester-2-24v-led-16-4 store_origin: JP region: Japan --- # 8A automatic circuit breaker protection 16.4 ft cable for extended reach 2-24V stepped LED voltage range allsun EM287 Automotive Circuit Tester, 2-24V LED, 16.4 ft Cable **Brand:** allsun **Price:** ¥9222 **Availability:** ✅ In Stock ## Summary > ⚡ Diagnose Like a Pro, Fix Like a Boss! ## Quick Answers - **What is this?** allsun EM287 Automotive Circuit Tester, 2-24V LED, 16.4 ft Cable by allsun - **How much does it cost?** ¥9222 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/63151816-allsun-em287-automotive-circuit-tester-2-24v-led-16-4) ## Best For - allsun enthusiasts ## Why This Product - Trusted allsun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Speedy Fault Detection:** Pinpoint shorts, bad grounds, and wiring issues faster than ever—cut your troubleshooting time. - • **Intuitive Voltage Display:** Ten bright LEDs clearly indicate voltage levels from 2V to 24V—no guesswork, just instant clarity. - • **Extended Reach with Safety:** 16.4 ft cable lets you access hard-to-reach wiring while 8A auto-reset breaker protects your circuits. - • **Power Activation On Demand:** Easily apply positive or negative power to compatible components—test motors, fans, and lamps with confidence. - • **Polarity & Continuity Made Simple:** Red/green LEDs instantly show polarity and continuity status, streamlining diagnostics. ## Overview The allsun EM287 Automotive Circuit Tester is a professional-grade diagnostic tool designed for 2-24V DC automotive systems. Featuring a 16.4 ft cable and 10-step LED voltage indicators, it simplifies fault detection by checking shorts, bad grounds, polarity, and continuity. With an 8A automatic circuit breaker for safety and the ability to activate compatible components, it’s an essential tool for efficient, reliable vehicle electrical troubleshooting. ## Description allsun EM287 Automotive Circuit Tester, 2-24V LED, 16.4 ft Cable | Find Shorts, Bad Grounds And Continuity Faults, Then Activate Compatible Components With Positive Or Negative Power - desertcart.com ## Features - FIND VEHICLE ELECTRICAL FAULTS FASTER: Check short circuits, bad grounds and wiring problems without switching between several basic tools, helping reduce troubleshooting time on everyday automotive repairs. - 2–24V LED VOLTAGE INDICATION: Ten LED indicators show common DC voltage levels from 2V to 24V. Designed for automotive DC systems; this is a stepped voltage indicator, not a precision digital multimeter. - CHECK POLARITY AND CONTINUITY: Red and green indicators identify positive and negative polarity at a glance. Use the probe and auxiliary ground lead to check continuity on disconnected, de-energized wires and components. - ACTIVATE COMPATIBLE COMPONENTS: Apply positive or negative battery power to compatible lamps, motors, fans and other components while following the vehicle service procedure. Do not apply power to sensitive electronic modules. - 16.4 FT REACH WITH 8A PROTECTION: The 5 m cable reaches from the battery to distant wiring, trailer connections and rear lights. The automatic circuit breaker resets after an overload; protection does not apply in jumper-lead mode. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B079ZRQRJR | | Best Sellers Rank | #199,407 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #277 in Circuit Testers | | Brand | allsun | | Brand Name | allsun | | Color | Black | | Customer Reviews | 4.5 out of 5 stars 1,337 Reviews | | Direct Current Maximum | 8 A | | Item Dimensions | 10.79 x 2.09 x 1.65 inches | | Item Highlight | Find Shorts, Bad Grounds And Continuity Faults, Then Activate Compatible Components With Positive Or Negative Power | | Item dimensions L x W x H | 10.79 x 2.09 x 1.65 inches | | Manufacturer | Zhang Zhou Shi Xiang Cheng Qu Hai Mao Dian Zi Ke Ji co., LTD | | Maximum Alternating Current | 8 A | | Maximum Operating Voltage | 24 volts_of_direct_current | | Measurement Type | Voltmeter | | Min. Operating Voltage | 2 volts_of_direct_current | | Minimum Operating Voltage | 2 volts_of_direct_current | | Model | EM287 | | Part Number | allsunEM287 | | Power Source | Battery Powered | | Specification Met | Em287 | | Style | automotive circuit tester with long cable | | Style Name | automotive circuit tester with long cable | | UPC | 788537552338 | | Upper Temperature Rating | 50 °C | ## Product Details - **Brand:** allsun - **Color:** Black - **Item dimensions L x W x H:** 10.79 x 2.09 x 1.65 inches - **Power Source:** Battery Powered,electric - **Style:** Automotive Electrical Circuit Tester ## Images ![allsun EM287 Automotive Circuit Tester, 2-24V LED, 16.4 ft Cable - Image 1](https://m.media-amazon.com/images/I/61uUtQ+MiXL.jpg) ![allsun EM287 Automotive Circuit Tester, 2-24V LED, 16.4 ft Cable - Image 2](https://m.media-amazon.com/images/I/61wK3PXfmFL.jpg) ![allsun EM287 Automotive Circuit Tester, 2-24V LED, 16.4 ft Cable - Image 3](https://m.media-amazon.com/images/I/6125uT+Hj4L.jpg) ![allsun EM287 Automotive Circuit Tester, 2-24V LED, 16.4 ft Cable - Image 4](https://m.media-amazon.com/images/I/71vKJs34ipL.jpg) ![allsun EM287 Automotive Circuit Tester, 2-24V LED, 16.4 ft Cable - Image 5](https://m.media-amazon.com/images/I/613C7szytaL.jpg) ## Questions & Answers **Q: Does this work to find where the short is or just tells you what wire is shorting out** A: The power probe circuit tester has short-circuit protected and can test for bad ground contacts instantly. It allows you to follow and locate short circuits. **Q: Does the EM285 come with a power port (cigarette lighter) connector?** A: No, it does not. Please note that the tester can deliver or sink up to 8A. That is a lot for a cigarette lighter adapter. **Q: Where is this product manufactured?** A: We are manufacturer, from China. **Q: Does it come with the probe?** A: Hi Yes, the pen probe tester come with the probe. ## Frequently Bought Together - allsun Automotive Circuit Tester 2-24V DC, Power Circuit Probe Tester, Test Light for Car Electrical Systems,Diagnose Short Circuits/Locate Bad Grounds/Check Polarity,Cable Length About 5M - allsun em415Pro Automotive Circuit Tester,Short Open Finder Electrical Wire Breaker Tracker,Broken Wire Detector Tool,Cable Fault Locator with Bendable Receiver Probe, DC 6-42V - GTC063 Fuse Socket Connector Kit by GTC, General Technologies Corp --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/63151816-allsun-em287-automotive-circuit-tester-2-24v-led-16-4](https://www.desertcart.jp/products/63151816-allsun-em287-automotive-circuit-tester-2-24v-led-16-4) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-12*