Caution: Before performing repair work, turn the ignition switch to the "OFF" or "LOCK" position and turn off all electrical loads, except as necessary to perform repair work. If tools or devices may come into contact with electrical contacts during repair work, also disconnect the cable from the negative terminal of the storage battery. Failure to do so may result in injury, damage to the vehicle or vehicle systems.
1. Disconnect the cable from the negative terminal of the battery.
2. Remove the knee support.
3. Disconnect the brown connector.
4. Disconnect the remaining connectors (1).
5. Remove the electrical control unit from the bracket.
6. Install in the reverse order of removal.
(The original text can be found on the website chevyman.ru)