Kenwood KDC-222 CD Player "reinstall extender" Questions

AM Reception I just reinstalled the Kenwood KDC 222 in a different car. The AM reception has a lot of static now, the FM is fine. I hooked up the factory radio again, that is fine on both AM and FM. ...

...the motor stops. Disconnect white wire from battery positive and allow mast to fully retract. 10. Reinstall chrome plated nut to top end of mast tube and tighten securely. 11. Reinstall power ...