12V Universal Automotive Relay Tester with LED Diagnostic Indicators

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Introducing the Ultimate Car Relay Diagnostic Tool Discover a hassle-free way to test the general health and functionality of your automotive relays. Designed for ease of use, this Universal Automotive Relay Tester not only diagnoses potential issues but also provides quick feedback through its intuitive LED indicators. Whether you’re an…


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Item Specifics
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Product Details

Introducing the Ultimate Car Relay Diagnostic Tool

Discover a hassle-free way to test the general health and functionality of your automotive relays. Designed for ease of use, this Universal Automotive Relay Tester not only diagnoses potential issues but also provides quick feedback through its intuitive LED indicators. Whether you’re an experienced mechanic or a car enthusiast, ensure your vehicle’s relays are in top shape with this indispensable tool.

Key Features

  • LED Indicators: Instant feedback with GREEN LED for a successful test and RED LED for any irregularities.
  • Universal Compatibility: Works for both 4-pin and 5-pin relays, covering the most common automotive relay types.
  • Easy Connection: Simply attach the black alligator clip to the negative terminal and the red clip to the positive terminal of a 12V car battery.
  • Durable Material: Crafted from high-quality ABS, ensuring longevity and resilience.

When to Use This Product

Best utilized when you’re experiencing electrical issues in your vehicle or during regular vehicle maintenance. It’s the perfect tool for those wanting to ensure their relays are functioning correctly, thus maintaining the overall health of their car’s electrical system.

What Sets It Apart

This Relay Tester stands out due to its simplicity combined with precision. Unlike other testers, it provides a comprehensive analysis – from pin configuration to checking for consistency in relay functionality. It’s an all-in-one solution for your car’s relay diagnostic needs.

Benefits of Using Our Relay Tester

  • Ensures the effective functioning of your car’s relays, potentially saving costly repairs.
  • Quick diagnostic results through LED indicators.
  • Eliminates guesswork, offering accurate and consistent tests.
  • Compact and lightweight, making it easy to carry and store.

Product Specifications

  • Material: ABS
  • Weight: 240g
  • Dimensions: 10.5cm (L) x 6cm (W) x 2.5cm (H)
  • Power: 12V Car Battery (11V-15V)
  • Coil Resistance: Ideal for above 20 ohms

Take Action Now!

Don’t let faulty relays hinder your vehicle’s performance. Invest in a tool that brings peace of mind and ensures optimal relay functionality. Add the 12V Universal Automotive Relay Tester with LED Diagnostic Indicators to your toolkit today!


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Shipping & Delivery

How much does shipping cost?

We are glad to bring our customers great value and service. That’s why we provide fast shipping from our Fulfillment Center in California by UPS and USPS.

What countries are you delivering to?

United States, Canada, Australia, United Kingdom, and Japan.

How can I track my parcel?

Once your parcel has left our Fulfillment Center, you will receive an email with a tracking number to monitor your parcel movements.

Can you ship my order to a business address?

Yes, you can write your business address in your order details if it’s more convenient to you.

Can you ship my order to a PO Box address?

Yes, you can select delivery to a PO Box if it’s more convenient to you.

Can you ship my order to APO or FPO military addresses?

Yes, we ship anywhere in the United States, and to all US territories and military APO/FPO addresses.

What happens to my parcel if it is delivered while I’m not there?

Depending on the destination and the package size, your parcel will be left in your mailbox or on your porch, or it may be left with a neighbour.


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It’s not a must: you can place your order even if you don’t have an account or aren’t logged in..

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On the product page with the item you like, select the color or other product variation (if there are any) that you like the most, and click on the Add to Cart button.

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How do you protect my personal details when I register and check out?

We offer the highest security possible at all times to make sure the online transactions keep your personal information safe..

Following the industry standards, we use the Secure Sockets Layer (SSL) technology to encrypt the information you share with us such as your name, address, and payment details..

Can I buy your items and send them to someone as a gift?

Yes! Simply use this person’s address as the shipping address when you place an order. There will be no price tags on or within the package!.

Can I change or cancel my order?

Yes, if your order has been paid and you need to change or cancel it, you can do this within 12 hours of placing it..

To edit your order details or cancel the purchase, simply use the Contact Us form to send us an email..

An item is missing, wrong, or damaged in my package. What should I do?

We're sorry it’s happened to you! Kindly use the Contact Us form to get in touch with us and tell all the order details so that we could sort it out for you..

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