Automotive Relay Tester | 11-25V Digital Display | 4/5 Pin Vehicle Battery Diagnostic Tool
Stock #:CMP-01442
SKU:MAIN-00277
1 / 5
$19.99
Ships to United States · standard est. 10-20 business days
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This digital relay tester checks 4 and 5-pin automotive relays operating between 11V and 25V. It provides a clear digital display for quick voltage readings, helping identify faulty relays or battery ...
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Questions about this product
- Will this tester work on my 24V truck relays or just standard 12V cars?
- This tester works on both. It supports electrical systems from 11V up to 25V, which covers most cars and trucks. You can use it on standard 4-pin and 5-pin automotive relays.
- Do I need to buy separate batteries to use this relay tester?
- No, batteries are not included with this device. It is designed to run on the power from the vehicle battery you are testing. Just connect it to the 11V to 25V power source to start diagnostics.
- How exactly does this tool help me diagnose electrical issues in my car?
- This tool helps you pinpoint vehicle starting problems by checking your battery voltage and relay function. The digital display shows precise voltage readings so you can identify faulty circuits. It quickly tells you if a 4-pin or 5-pin relay is defective.
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