Universal Car Relay Tester 12V 24V Automotive Battery Relay Diagnostic Tool For Sale

• Fast & Accurate Relay Testing: Quickly checks 4-pin and 5-pin automotive relays to help identify faulty or damaged relays with ease.
• Supports 12V & 24V Systems: Compatible with most car, truck, SUV, and automotive electrical systems for versatile everyday use.
• Easy Plug & Test Operation: Simply connect the clips to your vehicle battery, insert the relay, and press the test button for instant results.
• LED Indicator Diagnostic System: Green light indicates a working relay, while the red light alerts you to relay issues or abnormal performance.
• Durable & Portable Design: Made from strong ABS material with insulated alligator clips for reliable and safe testing during automotive repairs.
• Perfect for DIY & Professional Use: Ideal for mechanics, workshops, garages, and car enthusiasts performing relay and electrical diagnostics.

Test automotive relays quickly and accurately with this Universal Car Relay Tester designed for 12V–24V vehicle systems.
This easy-to-use diagnostic tool helps detect faulty relays, check relay consistency, and identify wiring or electrical issues in seconds. Compatible with both 4-pin and 5-pin relays, it is perfect for cars, trucks, SUVs, workshops, mechanics, and DIY automotive maintenance.
Featuring a clear digital display, LED status indicators, and durable insulated alligator clips, this relay tester provides reliable performance for professional and everyday vehicle diagnostics.
How To Use:

1. Connect the black clip to the negative battery terminal and the red clip to the positive terminal.
2. Wait for the tester power indicator to turn on.
3. Select the correct relay socket for either 4-pin or 5-pin relays.
4. Insert the relay into the appropriate socket.
5. Press the “TEST” button to begin detection.
6. The tester will automatically analyze the relay pin configuration and response performance.
7. A green indicator light means the relay is functioning normally.
8. A red indicator light indicates a faulty or abnormal relay.
9. After testing, disconnect the clips and remove the relay from the tester.

Package Includes:

• 1 × Relay Tester
• 2 × Test Clips
• 1 × User Manual

Please Note: Due to lighting effects, monitor brightness, and display settings, the actual color of the item may vary slightly from the pictures shown.Fast & Reliable ShippingOrders are processed within 1–3 business days after payment confirmation.
Estimated delivery time is typically 7–15 business days depending on your location and shipping carrier.
Tracking information will be provided once your order has been shipped so you can monitor your package throughout delivery.Customer Satisfaction GuaranteePlease inspect your item upon delivery. If your order arrives damaged or there is any issue with your item, please contact us with photos or a short unpacking video so we can assist you quickly. Customer satisfaction is important to us, and we will work with you to provide a suitable solution.
Your satisfaction is our priority — shop with confidence!