OBDResource Smart Automotive Relay Tester 12V/24V Portable Relay Diagnostic Tool

Stop guessing and start diagnosing relay problems with confidence. This automotive relay tester is designed for mechanics, automotive technicians, and DIY car enthusiasts who need fast and accurate relay testing. Featuring automatic voltage identification and one-button operation, it quickly detects faults in both 12V and 24V relays without complicated setup. Compact, portable, and easy to use, this 12V 24V relay tester helps save time while keeping vehicle electrical systems running smoothly.

Key Features

• Automatically identifies 12V and 24V relays for quick, hassle-free testing.
• Supports 10 relay types with 5 different pin configurations, including normally open and normally closed relays.
• Dual-color LED indicators and buzzer provide clear audio-visual test results.
• Powered by 3 AA batteries or Type-C connection for convenient testing anywhere.
• Intelligent auto-shutdown after 1 minute of inactivity helps extend battery life.

Why Choose Our OBDResource Smart Automotive Relay Tester 12V/24V Portable Relay Diagnostic Tool

Unlike basic testers that require manual settings, this car relay tester automatically recognizes relay voltage and configuration for faster diagnostics. Its broad compatibility, portable design, and real-time LED and buzzer feedback make it a reliable relay diagnostic tool for both professional workshops and home garages. Test relays safely without connecting directly to a vehicle battery.

Perfect For

• Professional automotive repair shops
• DIY vehicle maintenance and troubleshooting
• Testing faulty starter, fuel pump, horn, and cooling fan relays
• Automotive electrical diagnostics and preventive maintenance
• Mechanics, technicians, and car enthusiasts

Get Back on the Road with Confidence

Take the uncertainty out of relay testing and diagnose electrical issues faster. Experience the convenience and accuracy this portable tester brings to every repair job. Order yours today and keep your vehicle's electrical system performing at its best.