OBDResource RT911 Professional Relay Tester
12V / 24V Automotive Relay Diagnostic Tool
Product Overview
The OBDResource RT911 Professional Relay Tester is a purpose-built diagnostic tool designed to quickly and accurately test automotive relays. Supporting both 12V and 24V relay systems, it allows technicians to verify relay functionality in seconds without guesswork or complex wiring.
Designed for professional workshops and serious automotive users, RT911 helps identify faulty relays before unnecessary parts replacement, improving diagnostic efficiency and accuracy.
Key Features
Fast Relay Function Testing
The RT911 performs automatic relay testing by simulating real operating conditions. It checks relay coil operation and contact response to determine whether the relay is functioning correctly.
Simply connect the power clips and insert the relay into the tester to receive instant results.
12V and 24V Wide Compatibility
Supports both 12V and 24V automotive relays, making it suitable for passenger vehicles, trucks, commercial vehicles, and heavy-duty applications. One tool covers multiple vehicle platforms.
Clear LED Indicator Results
The RT911 features an intuitive LED indicator system for quick diagnosis:
-
Green LED indicates the relay is working normally
-
Red LED indicates a faulty relay
Clear visual feedback eliminates the need for multimeters or manual continuity checks.
Easy and Safe Operation
No programming or complex setup is required. The RT911 is designed for safe testing without damaging relay circuits, helping technicians work confidently during diagnostics.
Durable Workshop-Ready Design
Built for daily professional use, the RT911 features a robust housing and stable relay sockets. Its compact design makes it easy to store and transport in any toolbox.
Applications
The RT911 relay tester is ideal for diagnosing relay-related electrical issues, including:
- Fuel pump relays
- Cooling fan relays
- Headlight and lighting relays
- Horn and accessory relays
- Automotive control and power relays
Suitable for cars, trucks, SUVs, vans, and commercial vehicles.
Technical Overview
- Product Name: OBDResource RT911 Relay Tester
- Tool Type: Automotive Relay Diagnostic Tool
- Voltage Support: 12V / 24V
- Test Method: Automatic relay function testing
- Display: LED indicator status
- Application: Automotive electrical relay diagnostics
Why Choose OBDResource RT911
The OBDResource RT911 Professional Relay Tester provides a fast, reliable, and repeatable method to test automotive relays under controlled conditions. It reduces diagnostic time, prevents unnecessary relay replacement, and delivers consistent results trusted by professional technicians.
