4L60-E • 4L65-E • 4L70-E • 4L80-E • 4L85-E EPC Solenoid Harness Adapter 34435-01K For use with early-style ('92–'02) EPC solenoid in late-style (’03-later) units, solenoid not included. Helps cure: Line pressure instability 4L80-E • 4L85-E Pressure Switch Manifold 24222077 '91-Later Helps cure: Shift concerns