First pull the fault codes you have after the solenoid pack install. When it goes into limp mode, it will only come out after power off/on.
Did you measure the wires from TCM to solenoid pack? I did supply the wiring diagram, but it was not opened sofar
JEEP Grand Cherokee 4.7 Lmtd 2004
HID 8000K in low and fog / Quad Squad member
KYB Gas-a-Just shocks / Pirelli Scorpion ATR 245/65/17 - Transgo reprogramming shiftkit.