Hi evryone. I'm new here and just need some help. I'm wondering if anyone here knows how to install a Tach on 99 civic si? Please let me know. Any help would be gratly appreciated. Thanks in advance.

 

Didn't your Monster 5" tach come with instructions?

 

since you're new here, let me guide you to some things first.

READ and RESPECT the forum Rules and Guidelines.

always use the Search function before posting/asking a question.

update yourself on the forum Stickies (first 4-5 threads).

now just to help you with your question...
THE ULTIMATE DIY AFTERMARKET TACH INSTALLATION

next time, Search yourself.

 

Thanks! I really appreciate your help.