








RelayCheck Pro – Your Tester for Safe Automotive Relays!
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End the Guesswork with Automotive Relays
Quickly and easily check if an automotive relay is functioning properly. This testing device connects directly to a 12V battery and provides a clear LED display for testing standard vehicle relays.
An essential diagnostic tool for maintenance, troubleshooting, and repairs in automotive electronics.

Why This Relay Tester Is Highly Regarded
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Clear LED Indicator
Green LED indicates a functioning relay, while a red LED signals a malfunction. -
Wide Compatibility
Compatible with most common automotive relays that have a coil resistance above 20 Ohms. -
User-Friendly Design
Simply connect the battery, insert the relay, and press the button – results display instantly.
Frequently Asked Questions
Do I need technical knowledge to use it?
No, this relay tester is designed to be user-friendly and is suitable for beginners.
What power supply is required?
A 12V automotive battery with a voltage range of 11–15V.
Which relays is this device suitable for?
It works with most standard automotive relays that have sufficient coil resistance.

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


Included in the Package
- 1× Automotive Relay Tester
- 1× Instruction manual

What our customers have to say:
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RelayCheck Pro – Your Tester for Safe Automotive Relays!
Sale price$46.95
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Rated 4.6 / 5 based on 1289 reviews. Showing our 4 and 5-star reviews.


