South of Rock Cave.
16
the powerplant
In Cerulean City Gym.Superoo10
Fight the galactic grunt and he'll give it to u
u can find her in saffron city
part of team rocket
you buy it .
dowsing machine
surf under mauville city. you have to go under the cycle path. You then enter a cave with the generator at the end of the cave
Mewtwo is in the deepest part of cerulean cave
no you can trade soulsilver pokemon to black
The stolen part in Pokémon SoulSilver was stashed away in the Cerulean Gym by one of the life rings.