Power antenna installation instructions - antennamastsrus POWER WORKS POWER ANTENNA INSTALLATION INSTRUCTIONS. 1. Remove the power unit that is in your car, keeping track how in general the unit is mounted so you have Power Antenna | Circuit Wiring Diagrams 2003 Mini Cooper JCW Fuse Box Diagram. 2003 Mini Cooper JCW Fuse Box Map. Fuse Panel Layout Diagram Parts: battery, accessory, power antenna, illumination.