Fight them
By going into the Goldenrod Tunnel and going to the Team Rocket Grunt and then he will put you in a Team Rocket Costume.
Goldenrod's Tunnel
the underground tunnel in goldenrod
Go to the Underground Tunnel in Goldenrod City. There is a Team Rocket Grunt there who will give you a uniform.
They dont take over the tunnel... If you mean in Goldenrod. ;)
you have to go back to where the photographer in the underground tunnel is and a team rocket grunt shall give it for you to wear
talk to a man in goldenrod tunnel, he will ask to take a picture. if you mean during the story, talk to a team rocket member in goldenrod tunnel, he will let you wear it.
Easy! Goldenrod Tunnel, in the north west of Goldenrod City.
When going through the Team Rocket scenario in Soul Silver or Heart Gold in Goldenrod city, you can go into a tunnel and look for the man in a team rocket outfit. He will give you the uniform.
easy . go to the end tunnel section
Yeh he is not there for me too.
go to goldenrod city and go to the underground tunnel a look around and there is a team rocket grunt there he will give it to you