RelayCheck Pro – Your Tester for Safe Automotive Relays!

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

• 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