i need help figuring out wuts wronmg with my skyline

[spedkin]

i upgraded the motors to stage 2. at first i had the 9 tooth motor and then i decided i wanted to drift i changed the motor and now it wont work even if i changed the motor back. when i turn my car on the wheels jerk but it wont move or turn. it just sits. wuts wrong??

[Razy]

try to see if the motor has a good contact with the right colored gear, and see if you can turn the wheels by hand.

[spedkin]

i can turn the wheels by hand. the motor is hooked up right and it still doesnt work? so if theres any other way u can think of
fixing it plz let me know.

[oddryu]

make sure the lug nuts arent too tight on the back wheels

[jesseeast1]

Could you have maybe crushed a wire?

[Razy]

or while removing the motor you could of severed a wire... i duno