Horn relay

How many wires are suppose to go to the horn relay
Also what colors are they suppose to be
replaced horn relay and now I have a wire that I do not know where it goes
The wire is16 gauge red with a plastic connector on it
Thanks

Three wires go to the relay itself. A green, black and pink-black striped wire with plastic connectors. The Buss Bar has 4 wires (three terminals) one terminal has two wires on it. Download the wiring schematics in download section.

Bullshark