Shop for 12 volt circuit tester

Quick check both AC and DC current up to 28-Volt with the power on. Helps locate shorts or breaks in wiring. Complete with insulated grounding clip.

A heavy duty circuit tester for lifetime use. The probe, handle, cord and clamp are reinforced for extra durability. Comes with a strain relief spring on the cord.

Discover the ultimate solution for all your automotive electrical testing needs with this all-in-one power circuit tester kit. Designed for 12-24-Volt vehicles, this versatile tool offers 4 precise diagnostic modes DC Voltage, AC Voltage, Resistance, and Diode making it perfect for quick self-tests, voltage and polarity checks, continuity tests, and more. Its compact design and intuitive interface ensure fast and accurate testing, whether you’re a professional or a DIY enthusiast. With built-in diagnostic power, you can activate components like radiator fans and starter motors directly from the tester, eliminating the need for an external power source. The 40FT cable reach and built-in flashlight make it easy to test even the hardest-to-reach areas, while the 8-Amp circuit breaker and heavy-duty protective case ensure your device and components are safe from overloads. Whether you’re troubleshooting your vehicle’s electrical system or checking trailer lights, this tester is the reliable choice for long-term use. Enjoy peace of mind with a 12-month warranty and lifetime technical support.

Testing equipment can be put to good use ensuring that electrical equipment is properly installed and safe to operate. Faulty installations can be lethal; the condition of electrical installations can be established when contractors use test equipment. Gardner Bender is pleased to offer an innovative full feature line of test equipment designed to make electrical work faster and safer. Quickly tests automotive circuits for proper voltage. Can test within the 6-12-Volt range. Equipped with 1 year warranty.

Quickly tests voltage up to 28-Volt. Works on any circuit up to 28-Volt including many heavy duty applications on large trucks and farm implements. Heavy duty probe, cord and clamp.

Lisle 3-Volt to 30-Volt Digital Circuit Tester has an operating range from 3-Volt to 30-Volt DC to work on most vehicle electrical systems. It features 360° visibility of polarity. The probe is insulated to prevent shorting the side of the probe to other components. It features 47 in. cord and heavy-duty alligator clamp for secure connections.

Lisle 3-Volt to 49-Volt Digital Circuit Tester is a heavy-duty circuit tester with digital LCD to show DC Voltage accurately. It has an operating range from 3-Volts to 49-Volts DC to work on most vehicle electrical systems along with 360° visibility of polarity. The red light indicates positive polarity, green indicates negative polarity. It features long, 12 ft. coil cord and heavy-duty alligator clamp that ensures proper connections. The probe is insulated to prevent shorting the side of the probe to other components.

Since our beginning, GEARWRENCH automotive specialty tools have been driven by innovation. From our first specialty tool, the Model-T valve spring lifter, to our latest ratcheting puller, we've built our reputation with tools that make tough jobs easy. Most of our products have been upgraded with new improved features like dual material handles designed for a more comfortable grip or dual dipped handles on pliers providing more cushion for your hands. GEARWRENCH automotive specialty tools are proudly made with the finest components under the most stringent manufacturing guidelines. Made for everyday use - guaranteed for life. Better tools mean easier, more efficient work so we constantly evaluate automotive engineering trends allowing us to consistently improve and enhance our tools to better fit professional hands. That's why they are the first choice for thousands of automotive technicians worldwide.

Be safe and test any outlet in your home with the Power Gear Circuit Tester. The circuit tester lets you know if your home's outlets are live by detecting voltage. The tester is designed to detect the presence of voltage between 90 and 300-Volt. Recommended use for 15 to 20 Amp. Any indication of wiring faults should be referred to a qualified electrician for correction. Testing instructions included.

Unlock the secrets of your vehicle's electrical system with our Automotive Circuit Tester and Power Probe Tool. Designed for 12-24-Volt systems, this essential toolkit effortlessly identifies and eliminates electrical issues. With a robust 20 ft. extension, you can navigate even the most challenging repair jobs with ease. Perfect for DIY enthusiasts and professionals alike, it ensures that 99% of vehicles are covered in your diagnostic adventures.