Quick Diagnostics
Quickly diagnose relay functionality in vehicles, saving time when troubleshooting electrical issues.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Test Relays Fast, Diagnose With Confidence
This compact 12V automotive relay tester quickly verifies relay functionality in cars, trucks, and other 12V systems, making troubleshooting simple for mechanics and DIY enthusiasts alike.
- Compatible with both 4-pin and 5-pin relays for versatile use
- SPDT switch allows easy toggling between test modes
- Copper contacts ensure accurate and durable connections
- Battery-powered design (battery not included) for portability
- Hard-wired option for direct power connection
- Clear terminal display for quick identification of relay pins
Why You'll Love This Relay Tester
Versatile Compatibility
Compatible with 4-pin and 5-pin relays, covering a wide range of automotive applications.
Reliable Connections
Copper contacts ensure accurate and durable connections for dependable test results.
Easy Handling
Compact and lightweight design allows for easy handling in tight spaces under the hood.
Setup
How to Use
No electrician, no wiring, no fuss.
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Power the Tester
Use the battery-powered design (battery not included) for portability, or connect via the hard-wired option for direct power.
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Connect to the Relay
Attach the tester to your 4-pin or 5-pin relay, using the clear terminal display to quickly identify the correct relay pins.
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Toggle Test Modes
Use the SPDT switch to easily toggle between test modes and verify relay functionality.
Specs
The details that matter
Built to last outdoors, season after season.
- Product Type
- Compact 12V Automotive Relay Tester
- Compatible Relay
- 4-pin and 5-pin
- Switch Type
- SPDT
- Power Source
- Battery-powered (battery not included) or hard-wired
- Contact Material
- Copper
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 this tester compatible with?
This tester is compatible with both 4-pin and 5-pin relays, making it a versatile tool for a wide range of automotive applications.
How is the tester powered?
The tester can be powered by a battery (battery not included) for portability, or connected via the hard-wired option for direct power.
What type of switch does it use?
It features an SPDT switch that allows easy toggling between test modes for quick and convenient operation.
What are the contacts made of?
The contacts are made of copper, ensuring accurate and durable connections during testing.
Can I identify relay pins easily?
Yes, the clear terminal display allows for quick identification of relay pins, simplifying the testing process.
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.
D
everything is fine, thank you
R
Thank you seller.. 100 percent working and i finally charged the relay that was burned out
S
Nice item as described and promptly dispatched
R
The only downside is that it arrived much later than expected.
M
Good material, looks functional, lightweight
L
Beautiful, as described in the description. Thank you, I will use it and let you know after using it.
J
Excellent purchase, now to try it.
B
Works as described had a bad and a good relay and it worked happy with it cord about 3 ft nice length
S
Thank you very much, everything was very fast, well thank you.
