New ignition switch

[newbzee]

I have a 73 240z and the ignition switch is toast.  Can pull the key in any position and it gets stuck in the on position nearly every time.  Anyway, I ordered a replacement but my with has 2 wires, red/blue stripe that attach to a small switch located in the main switch.  I did a search and it seems these go to the "key in buzzer"?  I want to confirm this and get input on if I should remove it from the old and try to install it in the new switch or is there alternate wiring suggested.

[Zed Head]

It's the same electrical plug though right?  You just have two extra wires.  The plugs are all the same I believe.  It should plug right in and the two wires are extra.