If you take that top cover off, let’s take a look at that circuit card. If you’ve got water damage most likely it is not repairable and will have to be replaced.
-AKATV
Frequently parts will interchange even though Honda gives them different part numbers.
Usually it’s minor internal differences, but the chunks will swap. Just remember if you put in an 98-01 and need to rebuild it, you’ll need 98-01 parts.