Alright, i'll simple it up for ya.


88-89 CRX DX (come with tach) as well as SI
90-91 CRX DX (come with tach) as well as SI

88-91 EF DX (do not come with tach) si only

88-89 CRX/EF guage cluster wiring is different than an 90-91

A lil bit clearer?