problem is figuring which of the horn relays connection are what? the diagram shows somewhat but the relay , it has a bullet connection,a center nut which is the main horn line and 2 more connects. i am trying to see which goes to[coil neg.,ignition,flasher] and [ ammeter,starter solenoid] and which to [horn button]ground? please i have car almost done! and this is keeping me from driving it.