You might try the jaycoownersforum.com ... there are quite a few 38FLSA owners there.
--Mike, Sue, Buddy, Sissy and Little Man
2015 Ford F350 Lariat FX4 6.7 Diesel CC DRW
2014 Jayco Eagle HT 27.5 BHS (sold)
2015 Jayco Eagle Premier 351RSTS
B&W RVK3300 20k