12V Automotive Relay Tester | Car Relay Diagnostic Tool with LED Indicator

12V Automotive Relay Tester — Car Diagnostic Tool with LED Indicator

Diagnose faulty automotive relays quickly and accurately with this 12V automotive relay tester. Designed for mechanics and DIY car enthusiasts, it delivers instant pass/fail feedback via colour-coded LED indicators — no guesswork, no wasted time chasing electrical faults.

Key Features

• Instant relay status detection — green LED = relay normal; red LED = relay abnormal. Fast, clear, and reliable.
• Observes contact data at each test step — monitors closing time, relay inertia, and contact performance for thorough diagnostics.
• Compatible with 12V car batteries — works with standard automotive electrical systems (11V–15V operating range).
• Easy to use — no complex setup required; simply connect and test.
• Suitable for a wide range of automotive relays — best used with coil resistance greater than 20 ohms.

Specifications

• Compatible Voltage: 12V DC (11V–15V range)
• Recommended Coil Resistance: >20 ohms
• Indicators: Green LED (pass) / Red LED (fail)
• Application: Automotive relay testing and diagnostics

Ideal For

• DIY car mechanics and home garage use
• Professional automotive workshops
• Diagnosing electrical relay faults quickly
• Pre-purchase vehicle inspections

Delivery & Returns

Delivered Australia-wide — approximately 7–10 business days for VIC; 9–12 business days for NSW, SA, ACT, QLD, WA, NT, and TAS (excluding weekends and public holidays). Products received faulty, damaged, or not as described are eligible for a return, refund, or replacement under Australian Consumer Law. Change-of-mind returns are not accepted.

Products that are received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with the Australian Consumer Law (ACL). We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. However, please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations

Products are dispatched directly from our supplier's warehouse for fast, reliable delivery straight to your door.

• Victoria: approximately 7–10 business days
• NSW, SA, ACT & QLD: approximately 9–12 business days
• WA, NT & TAS: approximately 9–12 business days

Have a question about a product, shipping, or an existing order? Contact our support team using the Contact Form. Please include your order number so we can help you as quickly as possible!