Dei 514T Siren Wiring Diagram . Just remove the knee bolster and look for the dei alarm brain. Bma released dei 514t siren wiring diagram read online 966 zip download from elianeinformativo.blogspot.com. BMA Released Dei 514T Siren Wiring Diagram Read Online 966 ZIP Download from elianeinformativo.blogspot.com I'm interested in tone #6 which sounds like a firetruck traffic blast, however, i'm looking for the circuit that stops the sounds from. Wiring diagram brown (+) siren input: Bma released dei 514t siren wiring diagram read online 966 zip download from elianeinformativo.blogspot.com.