I have twitters and door speakers in my car and they dont work help!!!!?

[jp da man]

For some reason my twitters or my car door speakers dont work i dont think there blow i also have 2 capacitors for my car because i have 2 amps and 2 subs so is it a fuse or what i have a 99 mustang please if u know tell me how to fix it thank you.

[silverfox9605]

What in the world are twitters? I can only assume that you meant tweeters.

[lowfast]

if the speakers are stock most cars have a amp for each speaker and u may have a bad amp or dieode if the speakers after market thay may be hooked up backwards if thay are your tweets wont work