i have a 91 auto and trying to put a rpm gauge in my car...got it from a junk yard and havent installed it but just wondering if you think i can swap them out.....its going from a non rpm to rpm gauge so do you know if i can so i dont have to waste my time ya know how i feel?? so please tell me if i can really fast
THANKS

As far as I know and have heard that all the wiring should be there.... Just plug and play!