Wellington Parts Corp Master Solenoid Kit with Pressure Switch Manifold & Harness-Fits 4L80E 1994-2003 AC Delco / Delphi / Borg Warner GM GMC 4L85E MT1 MN8 EPC TCC PWM Shift Wire Wiring Electronic Control Torque Converter Clutch P-1870 Rebuild A B Valve Body Pan Gasket Truck Code P1870