Porsche 996 TT Repair Manual page 398

einordnung
4. Connect second auxiliary wire (negative) onto the vehicle ground (e.g. onto the lock bar of the B−pillar).
5. Connect auxiliary wire to an appropriate electricity source (e.g. separate vehicle battery).
6. Actuate the cover switch on the side member panel and open the
cover.
7. Disconnect auxiliary wire and push the emergency power contact back in.
8. Clip cover back onto the fuse box.
996420, 996421, 996450, 996451, 996620, 996621, 996650, 996651
Emergency release, front cover 335