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Automotive Voltage Test Pen: Professional Vehicle Electrical Diagnostic Tool
This heavy-duty automotive test pen is a must-have essential for professional mechanics, DIY car enthusiasts and fleet maintenance teams, specially engineered for 6V/12V/24V DC vehicle electrical systems. It combines high-precision voltage sensing technology with a rugged, pocket-sized design, allowing you to quickly locate broken wires, blown fuses and hidden electrical faults without complex multimeters.
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Pre-operation verification: First touch the test pen's probe to a confirmed 12V positive terminal of the car battery. If the built-in LED indicator lights up steadily, the pen is in normal working condition.
For positive circuit testing: Hook the alligator clip firmly to a clean, bare negative ground point on the vehicle chassis, then gently touch the sharp probe tip to the target wire, fuse pin or connector terminal. The bright red LED will illuminate immediately if the circuit has power.
For ground continuity check: Reverse the connection, attach the alligator clip to the battery positive terminal. If the green indicator lights up when the probe touches the test point, it confirms the point has a complete path to vehicle ground.
For non-contact quick scan: Keep the alligator clip disconnected, hold the insulated pen body and bring the probe within 1cm of the outer insulation of the wire. The pen will flash and beep to alert you if there is live voltage inside the cable, no need to pierce the wire jacket.
For hidden fault tracing: Slowly move the probe along the length of a suspected broken wire. The indicator will turn off exactly at the breakpoint, helping you locate open circuits in seconds without tearing apart the entire wiring harness.
This automotive test pen is strictly designed for 6-24V DC vehicle systems only. Never use it on household 110V/220V AC circuits or high-voltage new energy vehicle battery packs, which will permanently damage the tool and cause electric shock hazards.
Always disconnect the vehicle's ignition key before testing any fuel injection system, airbag control module or on-board ECU, to avoid accidental short circuits that burn out expensive electronic components.
The sharp metal probe tip is extremely pointed. Never point it at your skin, eyes or vehicle wiring insulation with excessive force, to prevent personal injury or accidental piercing of undamaged wires.
Do not test circuits with current over 5A for more than 30 continuous seconds. Prolonged over-current testing will generate excessive heat inside the pen and burn out the built-in indicator bulb.
Always keep the pen body dry. Never use it in rainy conditions or around spilled battery acid, which may corrode the internal circuit and cause false voltage readings.
Before testing any airbag related wiring, confirm the vehicle's airbag system has been fully depowered following the manufacturer's official service manual, to avoid accidental deployment that causes serious injury.
After finishing all tests, wipe the probe clean of grease and corrosion, store the test pen in a dry tool box away from strong magnetic fields, to maintain its detection accuracy for years of use.
| 100% brand new and high quality |
| The unique long-life light tube, not produce heat, comfort and safety |
| lnnovative flexible wire lead has good tensile strength |
| Small volume, compact structure, equipped with a clip, convenient to carry and use |
| Testing Range: DC 6V-12V-24V |
| Material: Copper |
| Tester Length: approx. 10.7cm |
| Cable Length (Unstretched): approx. 62cm |
| Note: You must not operate this tester beyond its testing range. |
| Package includes: 1pc x Car Circuit Tester |
Our company is a leading manufacturer of electric tester pen and some hand tool for 20 years. We use top-grade materials to manufacture our products, ensuring they meet the highest standards of quality, durability, and reliability.
We pay great attention to detail and service to providing our customers with the best products buying possible. Our experienced engineers and technicians work closely with customers to develop customized solutions that meet their exact needs.
In terms of sales, our company emphasizes customer satisfaction and partnership. We strive to establish long-term relationships with our customers, offering competitive pricing, timely delivery, and exceptional customer service.
We believe that our products and services will meet and exceed your expectations, and we look forward to having the opportunity to work with you.
Q1:If i'm interested in your products when can i receive your reply after the enquiry?
A:All your enquiries will be replied in 24 hours.
Q2:Can i get a sample before the order? Beacuse i don't know the quality of your products.
A:Of course! We can provide you with free samples. We think get a sample is the best way to build the trust in the two of us. Please send us an enquiry to get free samples.
Q3:Can you send me your products catalogue?
A:Sure! Please contact us online or send an Email, we will offer you our products catalogue.
Q4:Can i get your price list of your products?
A:Certainly, we can supply the price list to you. Please feel free to contact us if you have any need.
Q5:Do you accept OEM business?
A: OEM and ODM we all can accept.
Q6:How's the delivery? Because i really need them urgently.
A:Sample cost 2-3days. Bulk order cost 7-15days.
Q7:Do you test all your goods before delivery?
A:Yes,we all test it before delivery.
Q8:Do you have any quality guarantee or after-sales service?
A:Of course! All the products have 2 year warranty. If there are quality complaints, we will come up with solutions within
5days.
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