No more guessing with automotive relays
With the RealyCheck Pro™, you can quickly and easily check whether an automotive relay is working properly or not. The tester connects directly to a 12V battery and provides a clear LED display for testing common vehicle relays.
A practical diagnostic tool for maintenance, troubleshooting, and repair of vehicle electronics.

Why our customers appreciate the RealyCheck Pro™
✔️ Clear LED display
Green LED indicates a functioning relay, red LED indicates a malfunctioning relay.
✔️ Wide compatibility
Suitable for most common automotive relays with coil resistance over 20 ohms.
✔️ Easy to use
Connect the battery, insert the relay, press the button – the test result is displayed immediately.
Frequently Asked Questions
Do I need technical knowledge to use it?
No, the RealyCheck Pro™ is user-friendly and suitable for beginners.
What power supply is required?
A 12V vehicle battery with a voltage of 11–15V.
Which relays is the device suitable for?
For most standard automotive relays with sufficient coil resistance.

Specifications
- Power supply: 12V vehicle battery (11–15V)
- Display: LED (Green = Test passed / Red = Fault detected)
- Compatibility: Standard automotive relays
- Material: Durable ABS plastic housing
- Dimensions: Compact and portable

Scope of delivery
- 1× RealyCheck Pro™ Automotive Relay Tester
- 1× User Manual

*Update: Aufgrund der hohen Nachfrage nach unseren Produkten ist der Lagerbestand derzeit begrenzt, RelayCheck Pro – Dein Tester für sichere Kfz-Relais! begrenzten Bestand! Drücken Sie jetzt "IN DEN WARENKORB" und sparen Sie 50% nur heute!
Warum bei uns kaufen?
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