If the pokewalker gets wet I will try and take the battery out and dry it as much as i can, I am not that positive it will still work but hopefully it will.
Chat with our AI personalities
wait a day without touching it does not matter in light or not that is how i fixed my ds yesterday
By unlocking the pokewalker route
yes
You can't put a Pokemon in the pokewalker in Pokemon platinum, as the pokewalker was designed for only Pokemon Heartgold & Soulsilver.
You do not need a Pokewalker to trade Pokemon. The DS has built-in wireless communications. The DS does not need the Pokewalker to trade Pokemon.