Instant relay diagnosis
Quickly verifies the health and wiring of 4- or 5-pin relays, so you can identify faulty components in minutes.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Diagnose relay faults in seconds, not hours
The ANENG RT01 relay tester quickly verifies the health and wiring of 4- or 5-pin automotive relays, helping you pinpoint electrical issues without guesswork.
- Compatible with 4-pin and 5-pin standard automotive relays
- Clear digital display shows real-time test results
- Simple one-button operation—automatically detects pin layout, release time, and consistency
- Green LED indicates a normal relay; red LED signals a fault
- Long, insulated alligator clips for easy connection to car battery terminals
- Works with 11V–25V DC power sources, ideal for 12V car systems
Why you'll love it
Clear real-time results
A digital display shows live test outcomes, while a green LED confirms a normal relay and a red LED signals a fault.
One-button simplicity
Press a single button and the tester automatically detects pin layout, release time, and consistency—no complex setup.
Easy battery connection
Long, insulated alligator clips make it simple to connect directly to car battery terminals.
Setup
How to use
No electrician, no wiring, no fuss.
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Connect the clips
Attach the long, insulated alligator clips to your car battery terminals for power.
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Press the button
With one press, the tester automatically detects the relay's pin layout, release time, and consistency.
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Read the result
Check the digital display and LEDs—green means the relay is normal, red signals a fault.
Specs
The details that matter
Built to last outdoors, season after season.
- Compatibility
- 4-pin and 5-pin standard automotive relays
- Voltage range
- 11V–25V DC
- Display
- Digital display
- Indicators
- Green LED (normal), red LED (fault)
- Model
- ANENG RT01
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
Everything you might want to know before you order.
Which relays is the ANENG RT01 compatible with?
The ANENG RT01 works with 4-pin and 5-pin standard automotive relays.
What voltage range does this tester support?
It operates on 11V–25V DC power sources, making it ideal for 12V car systems.
How do I connect the tester to my car battery?
It comes with long, insulated alligator clips that make it easy to connect directly to your car battery terminals.
How does the one-button operation work?
Simply press the button and the tester automatically detects the relay's pin layout, release time, and consistency.
How do I know if a relay is faulty?
The green LED indicates a normal relay, while the red LED signals a fault, so you can see the result at a glance.
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. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.