WS6GoFast

Ok i just bought a harlen shift light and i used the directions off of instal university, the only problem is they instaled the light on a vent on a camaro not a TA. I was wondering how people have done it in a ta and how do you get the round center vents out??? also did you drill a hole for the wires to go through to get power from the radio and ground to the radio i already have the tach wire taped and inside the car