Universal 12V Relay Tester for BS6 & BS4 Motorcycles, Scooters, and Cars
Electrical troubleshooting in modern BS6 and BS4 vehicles is often delayed by failing relays. A bad relay can cause starting failures, fuel pump malfunctions, headlight issues, horn failures, or radiator fan glitches. Manually testing a relay with jumper wires and a multimeter is slow, confusing, and prone to errors. The **12V Relay Tester** is a quick, reliable diagnostic device that automates this entire process.
Simply plug the relay into the corresponding socket (4-pin or 5-pin), connect the alligator clips to any standard 12V vehicle battery, and press the test button. The tester will run a series of rapid cycle tests and give you an immediate status indicator. It is a must-have tool for every professional two-wheeler mechanic, garage owner, and DIY enthusiast in India.
Key Features & Benefits:
- Instant PASS/FAIL Results: Built-in LED lights take the guesswork out of troubleshooting. Green light means your relay is functioning normally; red light indicates a bad coil, stuck contacts, or high resistance.
- Automatic Cycle Testing: The tester doesn’t just check the relay once. It automatically pulses the coil multiple times in rapid succession, detecting intermittent issues where a relay works occasionally but fails under real-world cycling conditions.
- Universal 12V Compatibility: Works on standard 4-pin and 5-pin automotive relays commonly found in Royal Enfield, Honda, TVS, Bajaj, Hero, Yamaha, KTM, Suzuki, and passenger cars.
- Protects Delicate Electronics: Uses regulated low-current test signals, making it 100% safe for both the relay and the tester itself. Built-in reverse polarity protection ensures no damage if you accidentally reverse battery clamps.
- Compact & Pocket-Sized: Extremely lightweight and portable design. Keep it in your diagnostic kit, drawer, or pocket for quick roadside diagnostics or home visits.
How to Use the 12V Relay Tester:
- Connect the black clamp to the negative (-) terminal and the red clamp to the positive (+) terminal of a fully charged 12V vehicle battery.
- Plug the relay to be tested into either the 4-pin or 5-pin test socket.
- Select the appropriate pin configuration setting on the device (4-pin or 5-pin mode).
- Press the **”TEST”** button.
- The unit will cycle the relay and light up:
- GREEN LED: The relay is in good working condition.
- RED LED: The relay is faulty and needs replacement.
Technical Specifications:
| Product Name | 12V Automotive Relay Tester (BS4 & BS6) |
| Operating Voltage | 12V DC (Requires vehicle battery connection) |
| Supported Relays | Standard 4-Pin and 5-Pin Relays |
| LED Indicators | Green LED (PASS) / Red LED (FAIL) |
| Power Cables | Heavy-duty copper cables with color-coded alligator clips |
| Casing Material | High-quality, oil-resistant ABS polymer |
| Weight | 0.1 kg (approx.) |
What’s inside the package:
- 1 x 12V Automotive Relay Tester Main Unit with Attached Battery Cables
- 1 x User Manual with Relay Pin Reference Guide
Why buy from Bike Electrician Madurai?
We don’t just sell tools—we use them every day. As professional bike wiring and diagnostic experts in Madurai, we choose and design tools that are fast, robust, and highly reliable. Every relay tester is tested on real motorcycle electrical components to guarantee performance. Buying from us means you get quality-tested equipment, fast pan-India delivery, and dedicated customer support direct from our master technicians.
Questions or Technical Support? Contact us via WhatsApp at 7010101002 or call us at 8667755364.
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