I think I can be of some help there but it shows two builds of that year, model and floor plan. One seems clear but the other is somewaht odd and leaves me some doubt!
Do you have a 7th digit of your RV serial number of 1 for early build or 2 for late year build?
Early year build the inverter was an option and later build it was included without option showing!
since you mention 1000Watt inverter, I would assume you have early build with option 401 or late build! But how those are shown wired in changes, so if you can tell me which build you have, I think I can point to the info but it is somewhat "funny" in the way it is drawn for the early build and option.
Bear with me a bit as this drawing got better as the year went on!
I might show you the late build first as it is more clear what they are saying.
Apparently it takes practice to figure how to draw new stuff?
From this set of drawings:
Then select "Body 110 wiring install/diagram for the full picture or click these snips if they get you what you want?
Late build as more clear?
It goes through lots of plug together connectors and feeds as shown.
Then there is the drawing for the early build and it took a while to come clear to me!
I think what they are showing in Detail AA is that the inverter should be inline about where I drew the arrows and then it feeds down to the rect. as shown.
You may/may nopt have the air bed option?
Bottom line is that only these outlets will be powered through the inverter!
I "think " that gets you what it supports but I admit that this drawing is not the best one they've done!!