Automotive Electronic Relay Tester Car Relay Tester Universal 12V LED Indicator
🔧 12V Car Relay Tester 4 & 5 Pin Automotive Diagnostic Tool with LED Indicator
Quickly test and diagnose automotive relays with this Universal 12V Relay Tester — a must-have tool for mechanics, DIY car enthusiasts, and auto repair professionals. Designed for fast, accurate, and reliable testing of 4-pin and 5-pin automotive relays, this tester helps identify faulty relays in seconds — saving you both time and money!
⚙️ Key Features
✅ Quick & Accurate Testing – Instantly checks relay health with clear RED (Fail) and GREEN (Pass) LED indicators.
✅ Universal Compatibility – Works with both 4-pin and 5-pin relays, covering most vehicles on the market.
✅ Simple to Use – Connect to a 12V car battery, insert the relay, and press the TEST button for instant results.
✅ Consistent & Reliable – Automatically cycles the relay multiple times for accurate and repeatable test results.
✅ LED Indicator Display – Easy-to-read LEDs ensure fast identification of working or faulty relays.
✅ Durable & Portable – Made of high-quality ABS plastic, lightweight yet strong — ideal for workshop or on-the-go use.
✅ Cost-Effective Tool – Detects bad relays before replacement, helping avoid unnecessary expenses.
🔋 How to Use
Connect red clip to battery positive (+) and black clip to battery negative (–).
Select 4-pin or 5-pin mode depending on your relay type.
Insert the relay into the appropriate socket.
Press the TEST button.
Check LED indication:
🟢 GREEN LED = Relay Passed
🔴 RED LED = Relay Failed
⚠️ Important Notes
Use only with 12V car batteries (11V–15V range).
Not suitable for relays with coil resistance below 20 ohms.
Always disconnect power after testing for safety.
📦 Package Includes
1 × 12V Car Relay Tester (Compatible with 4 & 5 Pin Automotive Relays)
📏 Specifications
Input Voltage: 12V DC (11V–15V)
Supported Relays: 4-Pin & 5-Pin
Indicator Type: RED/GREEN LED Lights
Material: Durable ABS Plastic
Ideal Coil Resistance: Above 20Ω
Application: Cars, Trucks, Motorcycles, and other 12V Systems
💡 Why Choose This Relay Tester?
✔ Fast & Accurate Diagnostics
✔ Universal 4/5 Pin Compatibility
✔ Easy Plug-and-Test Operation
✔ LED Visual Feedback
✔ Compact, Durable, and Portable
✔ Perfect for Workshops, Garages, and DIY Repairs
🔋 Keep your electrical system healthy with this reliable 12V Relay Tester — your go-to tool for quick automotive diagnostics!
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