Product Introduction: GODIAG GT103 Mini Pirt Electric Circuit Tester is a multi-use circuit-tester with the diagnostic power from the car battery or the external battery.

It is the best electrical tester for reducing diagnostic time in all 6-30 volt vehicle electrical systems.

This tool simplifies the testing of fuse boxes, verifies the correct operation of motors, lights, relays, sensors, wires, and communication-circuits.

Thus GT103 is the most versatile and practical tool ever for its users.

Product Features: Performs every type of service including power injection, measurement, ground testing, polarity checks, continuity testing and components activation With a flip of the output switch, you have positive and negative electricity via the probe for powering up electrical components like cooling fans, relays, etc.

Simultaneously uses the hot lead and the ground lead to activate components right in your hand Instantly identifies positive, negative and open circuits Tests for bad ground contacts instantly, allowing you to follow and locate shorts fast without wasting fuses Instantly checks continuity of switches and relays.

Circuit breaker protected Built-in flashlight enables you to work in the dark Audio tone indicator allows for no-look menu scrolling once users are familiar with menu tone assignment 20ft (can be extended via extendable cable port) cable provides excellent accessibility to test along the vehicle Extremely easy to use and highly reliable

Package Includes: 1pc x Main Unit of GODIAG GT103 Mini Pirt Electric Circuit Tester 1pc x Clip to Connect Battery 1pc x Probe 1pc x Probe Cap 1pc x Fuel Injector Test Lead 1pc x 10mm Fuel Injector Cleaning Connector 1pc x 12mm Fuel Injector Cleaning Connector 1pc x Simple Relay Test Adapter 5pcs x Simple Relay Connection Leads 1pc x English Manual Used for DC 6-30v cars, motorcycles, trucks, buses, engineering vehicles, vessels, tractors, mining vehicles and other vehicles that use DC circuits.