It's the 3 lead wiring that is in the walls of your house (if it has updated wiring and 3 prong outlets. It is sheathed in white or yellow, depending on eletrical load. Inside that are 3 wires, one bare copper, one cased in white, and the other black. You can find it at Home Depot or the likes.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Gone and still missed...1982 w123 300D, 1991 w124 300D