ID and Secret ID change Heart Gold and Soul Silver HG SS

Press L+R while playing game to activate code:

Replace Symbols with desired digits.

Heart Gold and Soul Silver:
94000130 FCFF0000
B2110DC0 00000000
1000008# 0000****
D2000000 00000000

#:
4=ID
6=Secret ID

*: type in the number you want in calculator and switch from Dec to Hex. Highest Dec number is 65535. Must be four digits long if your number is less than 3 digits long example :32 put it in as 0032.