Welcome to Sunline Owners Club!!! Glad you found us and congrats on your new Sunny.
It's looks like you have a project there. And your doing good on it too!!
How to back into what model camper you have, here is one way if you cannot find any paperwork or stickers in cabinets on your model number.
At the top of the forum are tabs, Look for the one called "FILES" Looks this
Those are hot keys. Click the Files tab when logged in and it will take you into our files section. Scroll to "Sunline Brochures" Then scroll to your year, in this case 1983. Download a copy of the brochure and look at the floor plans and specs and match it up.
If that does not do it, then post a pic's of all 4 outside sides of the camper and we can help back into the model with you.
Keep up the good work.
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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