Inline Pump - With PDM - 3.5 in. HandheldNew for Sniper 2 is the optional Power Distribution Module (PDM). This cost effective and optional accessory isolates the core of your EFI and ignition wiring into one, easy to use location. Simply slide the stripped wire ends under the positive lock connector and tighten down the set screw. Battery and a switched 12 volt source is all that's required from your vehicle to power the PDM and your Sniper EFI.