Hi Josh,
I might be able to help, but it will take me (maybe) until the end of August to confirm this. I "think" the front wall headboard was a 2007 model year thing. Or perhaps some very select 2006 models. All the 2006's I have had the front wall apart did not have the headboard, so looking at pics with them won't help.
I have a 2007 T2499 with the front bedroom, and it has a headboard. See here:
But, I have the entire front wall siding off this camper right now going through a water damage restoration process, and I can verify precisely how the headboard is screwed on. I "suspect" it has some screws from outside the wallboard screwed into the headboard. But I'm not sure.
All I have to do is pull the insulation away and have a look.
How soon do you need an answer? With some luck, I might be able to get an answer by mid-next week, but not sure if I can do that just yet. Or the end of August.
John
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Current Sunlines: 2004 T310SR, 2004 T1950, 2004 T2475, 2007 T2499, 2004 T317SR
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC
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