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The CTB-1005-3 is a CAN test box kit for cars and trucks. It instantly checks power and ground circuits and identifies communication link protocols via the vehicle’s OBD II connector. The tool can be used stand-alone or with a scan tool or oscilloscope. For advanced diagnostics, it connects between a scan tool and the vehicle, and can also connect to an oscilloscope for signal capture and collection of signal waveform data.

• Quickly and easily displays signal activity on the vehicle
• Saves time when diagnosing the CAN system
• Eliminates the need to probe the OBDII connector
• Individual nodes are LEDs that light up with CAN activity