My 2001 with the Sony would hardly get anything until I pulled up the antenna. It easily pulled up one section but it looked like it should be longer. Pulling on it with some pliers after a wd40 soak got it full length. Works great now. Make sure yours is pulled up.
Al and Missy Waschka
2006 F-150 Lariat 4x4 5.4L 3.73 (Buzz)
2001 Safari 25 RB Twin (Slinky Dog)
WBCCI 1322, TAC FL-39, AIR 82265