Carscope i-Tester OBDII power cable
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Facilitates the relative compression test
You can use this cable to power the device from the OBD2 diagnostic connector. This allows you to sit inside the car while performing the relative compression test.
Use this cable instead of the standard i-Tester Power supply cable.
• You can sit inside the car while performing the relative compression test;
• No need to connect to the car battery;
• Saves time by connecting only to the car's OBDII diagnostic port;
• Only 12V electrical systems are supported.