Alternator Plug Harness Conversion Lead Adapter for 6G to 3G w/ Stator Lead. Applications: All ford 3G alternators instead of a 6G unit. Allows the use of a 3G alternator in place of a 6G alternator. Description: Lead, Conversion. Length: 4.921in / 125mm. Inline Fuse, Diode or Resistor: No. Number of Wires: 3. Weight: 0.1 lbs / 0.05 kg.