TACOMETRO IN DODGE CARAVAN 1992 LE

Hello, how are you all? I hope they have a great time.

Well, I am new here but I am a mechanic fanatic since the age of 12 and I like this website.

I go to the point, I have a minivan Dodge Caravan 1992 le, with a Chrysler 3.0l V6 engine, my question is, how can I install an rpm meter or tacometro?

I want to put it because I detect that it accelerates a lot to change the marches given that it is automatic transmission, I have been reading in San Google but it is difficult to talk about this vehicle and I am not sure of the engine wiring, fuse box or computer (if it brings).

Well I wait for your answers and thank you very much