ok I turn my 87 engine swap to a 91 jspec engine i turn it on and rev my engine and all my lights inside turn on and stay on while driving does anybody know why loose wire maybe?? it has done it before but then it away also am having a cooling problem so i would like to know if the add coolant came on cuz my temp gauge don't work am geting a after market though any help please?

 

do you mean your idiot lights??? If so, then your alternator is not wired correctly