Maybe contact the seller. Sometimes the Amazon sellers will have a link for the manuals. But it's usually buried somewhere on the page in small text and is hard to spot. It doesn't help any that Amazon clutters the pages up with suggestions to keep you buying.
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2001 Suburban 4x4. 6.0L, 4.10 3/4 ton **** 2005 Jayco Jay Flight 27BH **** 1986 Coleman Columbia Popup