12V Electronic Automotive Relay Tester – Premium Car Diagnostic Tool

High-precision copper alloy contacts ensure stable conductivity for accurate relay testing. Heavy-duty ABS housing with anti-slip texture resists drops and extreme temperatures (-20°C to 60°C).

Detects faulty relays, blown fuses, and weak batteries in seconds. Compatible with cars, trucks, motorcycles, and marine batteries. Integrated LED indicators show real-time voltage (6V-24V) with ±0.1V margin of error.

Simplifies garage diagnostics and roadside emergencies. Bulk orders available at unmatched wholesale rates – global shipping with same-day dispatch.