Have an Delco Remy "SI" Alternator and need a wiring module for it. Well, here it is! Our 3 wire quick disconnect Alternator wiring module is just the ticket for designing a 3 wire system for your Car, Truck, or Tractor!  Includes an inline Diode to stop engine run-on.  Definitely the way to fly when designing a 3 wire charging system using an "SI" series Delco Alternator! Don't guess! Get the best!  B&B products!