Welcome! I also have new 264bhw, been setting it up for 1st outing coming in May (most parks in this area don't open until then due to water lines may still be frozen. Might be able to answer some questions directly if desired.
Jayco Jay Flight SLX 264BHW
'07 Ram 1500, 5.7, tow package with Tekonsha Prodigy P2 brake control
EQUAL-I-ZER. Manufacturer # 90-00-1000