---
product_id: 291671473
title: "6-42V Automotive Short and Open Finder Circuit Tester"
brand: "allsun"
price: "VT17543"
currency: VUV
in_stock: true
reviews_count: 5
category: "Allsun"
url: https://www.desertcart.vu/products/291671473-6-42v-automotive-short-and-open-finder-circuit-tester
store_origin: VU
region: Vanuatu
---

# 6-42V voltage range Compact 20.3cm design Open & short circuit detection 6-42V Automotive Short and Open Finder Circuit Tester

**Brand:** allsun
**Price:** VT17543
**Availability:** ✅ In Stock

## Summary

> ⚡ Diagnose like a pro, fix like a boss!

## Quick Answers

- **What is this?** 6-42V Automotive Short and Open Finder Circuit Tester by allsun
- **How much does it cost?** VT17543 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/291671473-6-42v-automotive-short-and-open-finder-circuit-tester)

## 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

- • **Compact & Sleek:** Slim 20.3cm design fits comfortably in any toolbox or pocket
- • **Certified Reliability:** Meets CE, EMC, ISO 9001, RoHS, and UL standards for trusted performance
- • **Battery Powered Freedom:** Portable and ready to use anywhere without cumbersome cables
- • **Precision Voltage Range:** Covers 6 to 42 volts for versatile automotive diagnostics
- • **Instant Circuit Feedback:** Audible tone alerts for quick open or short circuit identification

## Overview

The allsun 6-42V Automotive Short and Open Finder Circuit Tester is a compact, battery-powered voltmeter designed for precise automotive electrical diagnostics. It detects open and short circuits with audible alerts, operates within a 6 to 42-volt range, and meets multiple international safety and quality certifications, making it an essential tool for professional and DIY mechanics alike.

## Description

Engineered to perfection, it is packed with a host of useful features. Moreover, it features a sleek design that makes it even more desirable.

Review: Ya lo probé después de varios meses que lo adquirí y me punciono perfecto lo recomiendo me ayudó a resolver una falla
Review: Just delivered. Connected batteries. Switched both on. Shows by tone if there is a break in the wire. Comtinuity works as well,shows if all is well in that particular wire. Thank you.

## Features

- Designed to perfection
- Unparalleled performance
- Seamless functionality
- Packed with features

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BC4X28Y |
| Best Sellers Rank | #136,940 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #182 in Circuit Testers |
| Brand Name | allsun |
| Customer Reviews | 4.2 4.2 out of 5 stars (2,709) |
| Item Dimensions | 20.3 x 4.6 x 3 centimeters |
| Item Weight | 10.58 Ounces |
| Manufacturer | allsun |
| Maximum Operating Voltage | 42 Volts |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 6 Volts |
| Model | EM415PRO |
| Power Source | Battery Powered |
| Specification Met | CE, EMC, ISO 9001, RoHS, UL |
| Style Name | Auto |
| UPC | 788537553373 |

## Product Details

- **Brand:** allsun
- **Item dimensions L x W x H:** 20.3 x 4.6 x 3 centimeters
- **Item weight:** 10.58 Ounces
- **Power source:** Battery Powered
- **Style:** Auto

## Images

![6-42V Automotive Short and Open Finder Circuit Tester - Image 1](https://m.media-amazon.com/images/I/613UpxiXLNL.jpg)

## Questions & Answers

**Q: EM415pro circuit tester, is it possible to test RJ45 cables?**
A: No, it can't test RJ45 cables.

**Q: Will this detect through the wiring harness covering?**
A: The EM415pro is unable to measure covered harnesses,but can be used to test automotive cables for shorts and breaks or to locate broken cables.

**Q: Can this be used to trace car and home power wires? Or using it on non live powered wires?**
A: Can be used normally, But be sure to switch off the power, the test lead can't be electrified.

**Q: Sound is too low even at max volume. Changed battery, still quiet. What can I do?**
A: If the signal is not strong enough, the sound will be lower, find a stronger signal and try it out.

**Q: l believe I have a short in a speaker wire. How can I check that if I have to connect one wire to a terminal post?**
A: Yes,you have to connect one wire to a terminal post.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***O on 14 September 2024*

Ya lo probé después de varios meses que lo adquirí y me punciono perfecto lo recomiendo me ayudó a resolver una falla

### ⭐⭐⭐⭐⭐ Review
*by S***T on 22 June 2024*

Just delivered. Connected batteries. Switched both on. Shows by tone if there is a break in the wire. Comtinuity works as well,shows if all is well in that particular wire. Thank you.

### ⭐⭐⭐⭐⭐ Review
*by J***N on 12 October 2025*

Tried with several issues and made it easier to repair

## Frequently Bought Together

- 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
- 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
- GTC063 Fuse Socket Connector Kit by GTC, General Technologies Corp

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**Shop now:** [https://www.desertcart.vu/products/291671473-6-42v-automotive-short-and-open-finder-circuit-tester](https://www.desertcart.vu/products/291671473-6-42v-automotive-short-and-open-finder-circuit-tester)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-08*