Looking for a manual for the 1977 model 2577D camper.

Welcome to the Forum!

Here is a link to a copy of a 1977 manual which can be found in the Forum Library. Click on the PDF file that you will see in the post to the thread.

http://www.hilotrailerforum.com/f49/owners-manual-1977-2577-a-1117
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The manuals are not model specific.

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My Great Wife Joyce
2018 Jayco Jay Flight 21QB
Formerly owned 1705T and 2310H
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Reese WD Strait-Line Hitch
Amateur Radio K3EXU

Thank you for the manual, solved the fuse identification of this unit.And the wiring scheme.