I know were most fuel lines go but i have somethign for the fuel that is connected in the back left rear fender that has a hose connecting to the fuel tank i believe and on the end of it it has some very tiny can in it that the hose goes to, if anyone knows what it is please tell me and also were i could buy a ne wone, and i also want to know wer ei can buy a new vapor/ charcoal canister for my 1981 cj7.