I'm currently rocking the W3 VHF Astro Spectra in my car, and considering upgrading to an XTL.

The service manual shows the interconnect board as HLN6885. MOL subs that to HLN6915, which is available.

When I switch vehicles later in the year, I may want to switch heads to a W7 or W9. (I have a fondness for the Spectras) The service manual shows HLN6883 as the proper interconnect board, which is NLA.

Does anyone have a more recent (available?) part number? Or is there an alternate interconnect board that will work? I think I have a couple of HLN6401s kicking around from Astro Spectras if those will work.