There is a post on this replacement , new number is 909506003 , but if memory serves there is a wiring change required. I'll track down the other post and link you to it.
EDIT: Have a look at this other post. Hope it provides some help.
Replacement for Kwikee control 909506000
For some reason the link takes you to page 2 of the post ?? you have to click page 1 to get it from the start.
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.