Tap Shifter for your 03 - 07 47RE48RE gives gear selection and converter lock - up control. Automatic or manual shifting of the transmission. Great for Street, Towing and Race applications. Provides manual torque converter lock - up clutch control. Works with stock shifting and has gear limiting function. Sealed plug - in wiring, no cutting or tapping of wires required. Kit includes exchange BD valve body, new model shift lever, BD control module, BD gear selection display and wiring harness.