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LED indicators provide clear, at-a-glance status on relay power and ground.
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- 14-day easy returns
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Why customers love it
Diagnose automotive circuits with precision and clarity
Bring professional-grade diagnostic capability to your toolkit with this compact relay tester, simplifying complex electrical troubleshooting.
- Instantly verifies the proper operation of 12V automotive relays.
- Features built-in LED indicators for instant visual feedback on power and ground.
- Checks circuit continuity across a wide voltage range (11V to 25V).
- Designed for easy, handheld use in tight engine compartments.
- Ideal for verifying fuse box circuits and relay functionality.
Precision Diagnostics at Your Fingertips
Wide Voltage Range
Accurately checks circuit functionality between 11V and 25V.
Reliable Testing
Confidently diagnose faulty relays and fuses with reliable continuity checks.
Compact Design
Handheld format ensures easy access even in cramped engine areas.
Testing Procedure
Step-by-step Relay Diagnosis
Use this tool to quickly verify the health of your vehicle's electrical components.
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Prepare the Circuit
Identify the relay or circuit you need to test and ensure proper connection points are accessible.
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Apply and Test
Connect the tester to the circuit and observe the LED indicators for immediate power status.
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Verify Results
Use the visual feedback to confirm relay operation, continuity, and voltage levels.
Technical Specifications
Key Technical Details
Specifications for reliable automotive electrical testing.
- Diagnostic Function
- Tests 12V automotive relays, fuses, and circuits
- Voltage Range Checked
- 11V to 25V
- Coil Resistance Compatibility
- Compatible with relays having coil resistance above 20 ohms
- Indicator Type
- Built-in LED indicators
- Design Type
- Compact, handheld design
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently Asked Questions
Answers to common questions about using the relay tester.
Can I use this tester on standard fuses?
Yes, the tool is designed to check circuit continuity and voltage levels across various components, including fuses.
What is the maximum voltage it can measure?
The tester is capable of checking circuits within a range of 11V to 25V.
Is it suitable for professional mechanics?
Absolutely. It is designed to simplify electrical troubleshooting for both DIY enthusiasts and professional mechanics.
Does it require batteries for operation?
This tool operates using the vehicle's electrical system for testing, not external batteries.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Items should be unused and in original packaging where possible. Contact us before sending anything back.