Factory Alarm Horn Wire color under dash

Anyone know if there is a wire under the dash I could tap that has +12v when the horn triggers from an alarm? I am installing a remote start module and would like to see if i can tap under the dash instead of running a wire directly to the horn itself. Thanks.

 

It's a ground wire Kamekona brah.

 

Hi Caribe Makaira, Thanks for your response! Also, just want to confirm, the wire labeled in Light Blue (31) will provide me with the +12v power i need when the alarm is triggered? Do you know if it is consistent or a pulse 12v signal. Or is it a ground? I need +12v.

 

Pulse ground

 

Thanks! I will have to run a wire directly from the horn then.

 

Alarm doesn't have a selection either/or?

 

No it doesn’t, its for a mycarcontrols module that says to connect to a constant or pulse +12v trigger. Cannot change in settings.

 

What about adding a micro relay? So you don't send wires into the engine bay, have it parallel with hot fuse on 86&30 then 85 would tie into horn activation wire and 87 to the added alarm...

 

I could try that. Any you can recommend on Amazon?