Welcome sunrgj! Glad you found us.
Now to your light. Your profile says 2004 T1950. Is that correct?
Since it is an amber lens and giving you a hard time getting off..., this sounds like the light near the entry door. The clearance lights have screws on a 2004 model
Here are some pics on how to take the hitch light cover off (on the front of the camper) and if I recall right, this works the same for the amber light by the entry door.
This link will take you to a post I did on how to take that cover off. They make it that difficult so it will not fly off going down the road. These pics are from a 2004 T310SR.
Hope this helps
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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