Cayenne S (9PA) V8-4.5L (2003)
1. Unscrew fastening screw "1" for the steering hydraulics servo oil reservoir.
2. Remove servo oil reservoir and lean it against the engine in an upright position. Caution - note engine temperature.
3. Open cover "A" near the positive terminal, unscrew the fastening nut and remove the B+ lead "3" in an upward direction.
4. Unscrew the fastening nut and remove the B+ lead "2" in an upward direction.
5. Unscrew the three fastening screws, remove the holder and turn it down by 180°.
6. Open the cover, unscrew the fastening nut and remove B+ lead "4" in an upward direction.
7. Lift external power supply up and out.
Installing External Power Supply