The GODIAG GT103 Mini PIRT Electric Circuit Tester is a powerful diagnostic tool designed for professional mechanics, engineers, and workshops handling vehicle DC electrical systems (6–30V). Whether you are diagnosing wiring faults, testing relays, or cleaning fuel injectors, the GT103 provides reliable performance with maximum safety. Its compact and lightweight design makes it suitable for both workshop environments and mobile diagnostic work.

📌 Key Features

• Detects open circuits and short circuits quickly and accurately.
• Supplies positive or negative voltage directly via the probe for quick testing.
• Component activation – test lights, horns, sensors, motors, and other DC components.
• Integrated relay test for diagnosing non-functioning components.
• Fuel injector test and cleaning support to restore vehicle performance.
• Extended wire length (~620 cm) for flexibility during operation.
• Built-in flashlight for dark workspaces.
• Safety circuit breaker protection (20A cutoff) prevents tool and vehicle damage.

🛠 Technical Specifications

📦 Package Includes

• Main unit: GODIAG GT103 Electric Circuit Tester
• Battery clip
• Test probe with protective cap
• Fuel injector test lead
• Red & black alligator clips for relay testing
• User manual (English)

🛠 Applications

• Diagnose lighting system issues (headlights, indicators, tail lights)
• Test vehicle sensors, motors, and electric windows
• Perform relay testing when horns, starters, or other parts fail
• Clean and test fuel injectors for better engine performance
• Ideal for workshops, mobile mechanics, and field engineers needing long reach and portability