⚡️ 2-in-1 Automotive Circuit and Relay Tester

 Diagnose Electrical Problems with Confidence 

Automotive Circuit Tester

Quickly test voltage, polarity, continuity, and electrical circuits to find faults faster and repair with confidence.

✔ Fast & Accurate Testing

✔ Easy to Read Results

✔ Durable Probe Design

✔ Suitable for Most Vehicles

Multi-Function Testing

One Tool for Multiple Electrical Tests

Perfect for checking:• Voltage• Polarity• Fuses• Ground Connections• Wiring• Connectors• Switches• Relays

Everything you need for everyday electrical diagnostics.

Fast & Accurate Detection

Instant Results While You Test

Simply connect the tester and touch the probe to the circuit.

Receive immediate feedback to identify electrical faults and reduce troubleshooting time.

✔ Fast Response

✔ Easy Operation

✔ Accurate Detection

How to Use

Diagnose in 4 Easy Steps

Step 1

Connect the clip to the battery ground.

Step 2

Turn on the ignition if required.

Step 3

Touch the probe to the circuit or component.

Step 4

Read the indicator and identify the fault.

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Built for Everyday Repairs

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Designed for Long-Term Reliability

High-quality construction provides dependable performance for frequent testing.

Features include:

✔ Comfortable Grip

✔ Durable Probe Tip

✔ Flexible Cable

✔ Compact & Portable

Product Details

[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.

Voltage

3-36（V）