Nitrous wiring question

[busakiller]

Anybody here know how to wire the horn button to activate a nitrous solenoid BUT also have it switch maps for a power commander 5? I have a nos mini on the bike and right now iam only using one solenoid that’s actived when the micro switch at wot at a set rpm. I would like to hook up another another solenoid for second stage. But want to use my horn button to activate the second kit as a back up. Do need to use the nos mini or can I wire this separate from the nos mini and how do I wire it?

 

[Mr Brown]

It may be clumsy, but I'd wire a second wot microswitch through a 3 position on/off/on switch, set the map and flip the switch.