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Park Siren Deactivator By Federal Signal


The UPKM-3 is designed to work with all models of emergency vehicles.  It requires a negative ground signal when the transmission is in park to turn the siren off.  The module will function to interface the vehicle neutral safety switch of the vehicle to the kill terminal of the siren and other ancillary devices.

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  • Model: FS-UPKM3
  • Manufactured by: Federal Signal