We have a 2017 Tuscany XTE that came wired for direct TV. We thought all we had to do was connect our receiver box but could not get it to connect. We got error code 775 telling us to reset the SWiM adapter but we couldn't find a SWiM adapter!
Did it also come with a satellite antenna? Typically the terms "wired for DirecTV" or "wired for satellite" simply mean that the manufacturer has pre-wired the cabling from the entertainment center to a spot on the roof for an antenna.
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After you connected the receiver, did you go through the "Satellite Setup" process? This is where you need to tell the receiver what type of dish you have. The Trav'ler should have the information in the manual for the screens that are shown. You may have to repeat this process occasionally.