Mika wrote on Apr 9^th, 2008 at 9:31am:

1. Product name and version? CaptainSim 757 Block   2. Download or a box? Download   3. MSFS version? FS 9 4. MSFS Service Pack version? FS 9.1 5. What exactly doesn’t work or works wrong? (screenshot required for all graphics related issues) ILS reciever is connected with NAV1   6. When it happens? Always. 7. How exactly do you think it supposed to work? ILS reciever should be independent from the other NAV´s.   8. What is your system? (OS, video caed , RAM, CPU, Sound Card)   Windows XP; GT8800, 3gb RAM, E6600, realtek Friendly regards! Mika

Mika,
This is one of the limitations of FS9.  The ILS, VOR, and RNAV have to go through the NAV 1 radio in order to be used by the Auto Pilot.