Our Automotive Circuit Tester is an electrical tester for reducing diagnostic time in automotive electrical systems. It has short-circuit protection and can test for bad ground contacts instantly.

Its cable length is about 16ft makes your testing easy. It's a comprehensive test kit. After a simple hook-up of the unit to the vehicle's battery, it can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward.

Its electric system is tested for continuity. Test for polarity of a voltage. Check switches, relays, and the on-off of diodes, fuses, and circuits. Test for the polarity of electric cables and plugs. Track and locate short circuits. Test for bad ground contacts.

With its blue color and one-size design, it's both lightweight and convenient, making it easy to carry and store in your vehicle for on-the-go diagnostics. Serves as a professional diagnostic tool for various vehicles.

Offers clear and easy-to-read information for accurate analysis.

This professional car inspection tool is suitable for a wide range of vehicles, including cars, SUVs, and motorcycles, making it a versatile addition to various automotive repair toolkits.

Our Automotive Circuit Tester is designed with ease of use in mind, allowing for simple operation even for those who are not professional electricians.

OPERATE INSTRUCTION

Step 1: Unroll the unit's cable.

Step 2: Clamp the red clip to the positive terminal of the vehicle's battery.

Step 3: Clamp the black clip to the negative terminal of the vehicle's battery.

TIPS

An alarm sound made by the item indicates that the circuit breaker has tripped off.

After the circuit breaker trips, it will reset automatically within 3 to 5 seconds.

After an alarm sounds, if this item is still connected to the testing object and you keep pressing down the power switch, the electric circuit tester breaker will repeat the process of trip and reset automatically.