I think this is correct
(standard tuining)
*=Palm Mute
Intro G1
1-------------------------------
2-------------------------------
3------------------------------- X4
4-------------------------------
5-5-7-9-5-5-7-9-5-7-9-7-9-10-9-5
6-------------------------------
[ Tab from: https://www.guitartabs.cc/tabs/g/good_charlotte/the_click_tab.html ]
Intro G2
1---------------|------------
2---------------|------------
3-7-------7-----|7----------7
4-7-7-9-5-7-7-5-|7----------7
5-5-7-9-5-5-7-5-|5-5*-5*-5*-5
6---5-7-3---5-3-|------------
Play whats in the bar when G1 has finished playing its intro and play G2's part while G1 is playing its part