How To Connect The Tech2 To A Computer; Typical Tech2 Connection To A Computer (Rear View) - GMC Tech2 User Manual

Notice: Always use the Tech2 NAO power supply (P/N 300113) when connecting the
Tech2 to a computer. It is also acceptable to connect the power cable to the vehicle
cigarette lighter.

How to Connect the Tech2 to a Computer

Follow the steps below for the typical Tech2 connection to a computer.
1. Plug the serial port adapter (P/N TA00040) into the serial port marked "A" or "1" on the
back of the computer or to the USB port using the USB serial adapter.
2. Plug the Tech2's RS-232 cable into the serial port / USB port adapter and connect the
appropriate power supply.
3. After power is supplied to the Tech2 and the [PWR] button is pressed, the Tech2 start-
up display should appear on the Tech2 screen.
Note: Not all USB to serial port adapters are compatible with the Tech2. ACDelco
recommends using the Keyspan brand USB to serial port adapter.

Typical Tech2 connection to a computer (rear view)

General Motors Tech2 User Guide
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