Had anyone had success with installing a SIR-GM1 in a 2006 chevy uplander with rear dvd. I am trying to install it with little success.
When I push that band button i do not see the SIR 1 or SIR 2 bands just FM1, FM2, AM 1, and AM 2. When I pust the AUX button i can hear the satelite radio but...