hey people whats up...i know im a noob but anyways i just got this aftermarket tach from someone and it didn;t come with instructions and i used the search button but couldn't find anything helpful...can someone help me out..i got a 97 civic CX

 

Hi and welcome to the forum. Wire colors would be helpful and tach type would help as well. I installed an old Autometer Tach in my civic by using the existing wiring (in the harness) behind the instrument cluster. My cluster came with no tach but the wiring is there.