Automotive Relay Tester, 12V Electronic Automotive Relay Tester, Auto Car Diagnostic Battery Checker Tool

Quick Test Tool: For testing automotive relays and informing you of their condition.

Usage

Convenient: The tester observes contact data, closing time, relay inertia at each test stage, etc. Easy to use: If the relay is abnormal, the red LED will light up; if it is normal, the green LED will light up.

Note: The car battery must be a 12V battery, and the voltage must be between 11V and 15V. The coil resistance should preferably be greater than 20 ohms.