---
product_id: 642649773
title: "Electrical Tester for 6V-30V Cars, Short Circuit Breaker Finder Tool, Automotive Circuit Tester, Voltage Tester, P150"
brand: "topdiag"
price: "¥25424"
currency: JPY
in_stock: true
category: "Top Diag"
url: https://www.desertcart.jp/products/642649773-electrical-tester-for-6v-30v-cars-short-circuit-breaker-finder
store_origin: JP
region: Japan
---

# 6V-30V wide voltage range 20ft cable for full vehicle access 18+ intelligent diagnostic functions Electrical Tester for 6V-30V Cars, Short Circuit Breaker Finder Tool, Automotive Circuit Tester, Voltage Tester, P150

**Brand:** topdiag
**Price:** ¥25424
**Availability:** ✅ In Stock

## Summary

> 🔧 Power up your diagnostics with the P150 — the ultimate pro’s circuit sidekick!

## Quick Answers

- **What is this?** Electrical Tester for 6V-30V Cars, Short Circuit Breaker Finder Tool, Automotive Circuit Tester, Voltage Tester, P150 by topdiag
- **How much does it cost?** ¥25424 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/642649773-electrical-tester-for-6v-30v-cars-short-circuit-breaker-finder)

## Best For

- topdiag enthusiasts

## Why This Product

- Trusted topdiag brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Component Activation Mode:** Instantly test starters, headlights, fuel pumps & more to ensure peak performance.
- • **All-in-One Vehicle Diagnostics:** Perform AC/DC voltage, resistance, diode, and fuel injector tests with one sleek tool.
- • **Multi-Language & Versatile Use:** Supports 10+ languages and works on cars, motorcycles, SUVs, and even steamships.
- • **Built-in Safety Circuit Breaker:** Protect your vehicle and yourself with automatic overload trip technology.
- • **Precision Short Circuit Locator:** Pinpoint electrical faults fast to minimize downtime and costly repairs.

## Overview

The Topdiag P150 is a professional-grade electrical tester designed for 6V-30V vehicles, offering over 18 diagnostic functions including voltage detection, fuel injector signal testing, and short circuit location. Equipped with a 20ft cable and built-in circuit breaker protection, it ensures safe, precise troubleshooting across a wide range of vehicles and languages.

## Description

Electrical Tester for 6V-30V Cars, Short Circuit Breaker Finder Tool, Automotive Circuit Tester, Voltage Tester, P150: desertcart.com: Industrial & Scientific

## Features

- Electrical Tester: Topdiag P150 is a power circuit probe tester for all 6v-30v vehicles, with 18+ professional services, it is able to perform AC/DC voltage detection, intelligent test, fuel injector inspection, resistance test, component activation, short circuit located, jump lead function, frequency, test trailer lights, bad ground checking, and polarity test, etc.
- Fuel Injector Test & Component Activation: Under component activation mode, P150 electrical tester allows to activate different components, such as starter, headlights, blowers, solenoids, cooling fans, fuel pumps, etc. And Topdiag P150 circuit tester can also test the signal of fuel injector, touch the injector with the probe, the current signal waveform will displayed on the LCD screen.
- Intelligent Testing & Short Circuit Located: Topdiag P150 test probe supports a series of intelligent testing, such as AC/DC voltage detection, resistance test and diode test and other vehicle testing. P50 probe tester automotive also supports track and locate the short circuit, help you troubleshoot faulty components accurately and quickly. In addition, P150 automotive electrical tools will come with 20ft cable, so you can perform diagnosis around the vehicle.
- Jump Lead Function & Circuit Breaker Protection: With jump lead function, Topdiag P150 probe tester can be used to check if there is a fault or problem in the power supply of your vehicle grounding. And P150 electrical circuit tester is built-in circuit breaker protection for the user and vehicle's safety. The working principle of is - the circuit breaker will trip if overload. Equipped with dual LED lights on the top of Topdiag P150 automotive electrical tester, it can light up the dark working area and help users make diagnoses even in the dark.
- Wild Application & Multiple Languages Available: Topdiag P150 circuit tester automotive can be widely use for all 12V-24V vehicle elecrtical system diagnostics, such as cars, motorcycles, excavator, SUV, steamships, etc. P150 power tester supports 10+ languages for vehicle owners: English, Spanish, French, Italian, German, Portuguese, Polish, Korean, Japanese, and more.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D4QTR483 |
| Best Sellers Rank | #21,068 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #35 in Circuit Testers |
| Brand Name | TopDiag |
| Color | Black |
| Compatible Devices | cars, motorcycles, excavator, SUV, steamships |
| Customer Reviews | 4.5 4.5 out of 5 stars (59) |
| Included Components | 1 P150 Probe Tester |
| Item Weight | 0.8 kg |
| Manufacturer | TopDiag |
| Measurement Type | Multimeter |
| Minimum Operating Voltage | 6 volts |
| Model | P150 |
| Number of Items | 1 |
| Part Number | P150 |
| Power Source | Corded Electric |
| Specification Met | Ce, Fc, Rohs |
| Style Name | P150 |

## Product Details

- **Brand:** TopDiag
- **Color:** Black
- **Item Weight:** 0.8 kg
- **Power Source:** Corded Electric
- **Style:** P150

## Images

![Electrical Tester for 6V-30V Cars, Short Circuit Breaker Finder Tool, Automotive Circuit Tester, Voltage Tester, P150 - Image 1](https://m.media-amazon.com/images/I/71+RgMfWoyL.jpg)

## Available Options

This product comes in different **Style** options.

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**Shop now:** [https://www.desertcart.jp/products/642649773-electrical-tester-for-6v-30v-cars-short-circuit-breaker-finder](https://www.desertcart.jp/products/642649773-electrical-tester-for-6v-30v-cars-short-circuit-breaker-finder)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-03*