logo

Automotive Circuit Tester Test Light for Car Electrical System Diagnosis

Product Price
$ 18.86 In Stock
SKUTY001283
MOQ1
KG/Piece0.50 KG
Returns30 days returns. Buyer pays for return shipping. If you use an Acctes shipping label, it will be deducted from your refund amount.
See details
Style Basic Tester Advanced Tester
Cable Length No Extended Cable 4.5m Cable
Quantity

Automotive Circuit Tester Test Light for Car Electrical System Diagnosis

Product Overview

Our professional automotive circuit tester is an essential electrical diagnostic tool designed for both professional mechanics and DIY enthusiasts. This versatile test light quickly identifies electrical issues, tests voltage, checks polarity, verifies continuity, and locates faults in automotive electrical systems, saving you time and money on diagnostic trips to the shop.

Built with durable materials and user-friendly features, this circuit tester works directly from your vehicle's battery and works with all common vehicle types including sedans, SUVs, RVs, and heavy-duty trucks. With intuitive visual and audible indicators, you can confidently diagnose electrical issues even in dark work environments.

Key Features

  • ✓ Versatile Voltage Testing - Multiple models available covering ranges from 3V up to 90V DC, with premium options supporting 0.8V to 100V DC for all automotive applications

  • ✓ Dual Color Polarity Indication - Red light indicates positive polarity, green light indicates negative polarity for instant, easy identification

  • ✓ Digital LED Display - Clear LED digital voltage display provides accurate voltage readings that are easy to read in both bright daylight and dark environments

  • ✓ Sharp Stainless Steel Probe - Precision sharp probe easily pierces wire insulation and reaches tight, hard-to-access areas under the dash or hood

  • ✓ Extended Spring Cable - Up to 13ft (4 meters / 135 inch) PU extended spring wire gives you plenty of reach to test electrical systems anywhere on your vehicle

  • ✓ Overload Protection - Automatic circuit disengagement when current exceeds 8A protects the tester and your vehicle's electrical system from damage

  • ✓ Bidirectional Testing - Supports bidirectional current flow, allowing you to attach the alligator clamp to either positive or negative ground

  • ✓ Illumination - Built-in bulb or LED illumination lets you work in dark engine bays and under dash areas with improved visibility

  • ✓ Audible Buzzer (Select Models) - Premium models include a buzzer alarm for continuity testing, providing audible feedback so you don't have to watch the indicator constantly

Technical Specifications

SpecificationDetails
Product TypeAutomotive Circuit Tester / Test Light
Voltage Testing Range (Standard Model)DC 6V - 12V - 24V
Voltage Testing Range (Digital Premium Model)DC 3V - 48V / 5V - 90V (0.8V - 100V on select models)
Overload ProtectionAutomatic shutoff at >8A
Cable LengthUp to 13ft (4 meters / 135 inches) extended spring cable
Probe MaterialSharp Stainless Steel
Polarity IndicationDual Color LED: Red (Positive), Green (Negative)
Power SourceDirectly powered by tested vehicle battery

Common Applications & Use Cases

✅ Diagnostics

  • Locate short circuits in wiring harnesses

  • Check for bad ground contacts

  • Test continuity of electrical circuits

  • Verify voltage output from sensors and switches

  • Diagnose faulty lighting systems

✅ Component Testing

  • Test fuses and fuse boxes

  • Check headlight, taillight, and turn signal bulbs

  • Verify functionality of switches and relays

  • Test 12V accessory outlets and sockets

  • Activate electrical components on or off the vehicle

Compatible with all vehicle types including sedans, SUVs, RVs, pickup trucks, heavy-duty commercial trucks, and more. Works on both standard passenger vehicles and classic cars with 6V electrical systems.

Package Contents

  • 1 x Automotive Circuit Tester / Test Light

  • 1 x Alligator Clamp with Extended Spring Cable

  • 1 x Sharp Stainless Steel Probe

  • Replacement LED bulb (select models)

  • User operation instructions

Why Choose This Automotive Circuit Tester?

Whether you're a professional automotive technician needing a reliable daily diagnostic tool or a DIY enthusiast tackling electrical work at home, this automotive test light delivers professional-grade performance at an accessible price. With long reach, intuitive indicators, and built-in safety protection, it's the perfect addition to any automotive tool collection.

Payment

  1. We accept a variety of safe and convenient payment methods to meet your different transaction needs, including Alipay, Visa, MasterCard, Telegraph Transfer (T/T), Western Union, and other mainstream payment channels. We also support customized payment solutions according to your actual needs. If you have special payment requirements (such as other payment methods not listed), please feel free to consult our customer service window, and we will provide you with the most suitable payment plan.

  2. Before completing the payment, please carefully check and confirm the accuracy of the payment amount, your account information, and the receiving address. Any errors in the above information may lead to payment failure, payment delay, or delivery errors. We will not be responsible for any losses caused by incorrect information provided by the buyer.

  3. If you encounter any problems during the payment process (such as payment failure, payment stuck, etc.), please contact our customer service in a timely manner. We will respond to you within 24 hours and help you solve the problem to ensure the smooth progress of your payment.

Shipping

  1. All orders will be processed and shipped within 3-5 business days after we receive your full payment (excluding weekends, public holidays, and force majeure events such as natural disasters and logistics outages). Before shipment, our professional quality inspection team will conduct a comprehensive inspection of the goods to ensure that the product quality meets the standard and there is no damage or missing parts.

  2. We only ship goods to the confirmed order address. Please make sure that your order address is consistent with your actual shipping address. If you need to modify the shipping address, please contact our customer service in a timely manner before the order is shipped. Once the goods are dispatched, we will not be able to change the shipping address, and any losses caused thereby shall be borne by the buyer.

  3. For international shipments, the delivery time is affected by factors such as customs clearance speed, local logistics efficiency, and regional policy restrictions. Therefore, we cannot guarantee the exact delivery time. We will provide you with a logistics tracking number immediately after the goods are shipped, so you can check the real-time logistics status at any time.

  4. Any customs duties, import taxes, or other additional fees incurred during the international transportation of goods shall be borne by the buyer. We will provide all necessary documents (such as commercial invoices) required for customs clearance to assist you in completing the customs clearance process smoothly. If you need help with customs clearance-related issues, please contact our customer service.

  5. During the transportation process, if the goods are damaged, lost, or have missing parts due to logistics reasons, please take photos and keep the relevant logistics documents in a timely manner, and contact our customer service immediately. We will verify the situation and provide you with solutions such as return, replacement, or refund according to the actual situation.

  6. Please pay attention to the logistics tracking information. If you find any abnormalities (such as delayed delivery, wrong delivery address, etc.), please contact us in time, and we will coordinate with the logistics company to solve the problem as soon as possible.

Terms Of Sale

  1. If you have any questions about the product, payment, shipping, or other related matters, please contact our customer service in a timely manner. We will respond to you within 24 hours and provide professional solutions to ensure that your problems are properly resolved.

  2. If you do not receive the goods within the expected time, or if you are not satisfied with the received goods (such as product damage, inconsistent specifications, etc.), please do not open a dispute or leave neutral/negative feedback without communication. Contact us first, and we will actively coordinate and solve the problem for you to your satisfaction.

  3. If you receive defective goods (a rare occurrence), please provide clear photos that can show the problem, and we will provide you with a full refund or free replacement according to the actual situation. No additional fees will be charged to you during the process.

Returned & Refund

Your satisfaction is our top priority. All goods are strictly inspected and tested before shipment to ensure that they meet the quality standards.

  1. If you are not satisfied with the goods received, or if the product does not match the description, please contact us first to confirm the return address and logistics method before returning the goods. Do not return the goods without authorization, otherwise, we will not be able to process your return and refund normally.

  2. All returned goods must be in their original condition (without damage, missing parts, or signs of use), and you need to provide the logistics tracking number and a detailed description of the return reason.

  3. The shipping cost for returning the goods shall be borne by the buyer. If the return is caused by our own reasons (such as wrong product, quality problems), we will bear the return shipping cost and provide you with a full refund or free replacement.

  4. If the goods are damaged, lost, or have missing parts due to the buyer’s improper use, storage, or transportation, the buyer shall be responsible for the corresponding losses, and we will not provide a full refund or replacement service.

Feedback

  1. Customer satisfaction is the foundation of our development. Your feedback is very important to us. Whether it is praise, suggestions, or complaints, please feel free to contact us. We will carefully listen to your opinions and continuously optimize our products and services.

  2. If you are satisfied with our products and services, we would appreciate it if you could leave positive feedback. If you have any dissatisfaction, please contact us before leaving neutral or negative feedback—we will do our best to solve the problem and give you a satisfactory reply.



Home

Categories

Cart

Member