Hi. I have two federal pa300 siren. does anyone have the wiring color/diagram to hook up? I've attached pictures of the connectors and have the connectors and pin. I've tried searching the federal website, but it does not have the specific diagram for the connector with the missing #7 pin. I've tried other PA300 connectors but only the air horn and manual wail work. One model says "MSC" and the other is "PPD"