Hello need help, I bought a new shiftpack.and installed it but it's not working, on the dash it's in park but the reverse is lit up, won't shift nothing any help Appreciated

 

Try to remove the connector and reinstall it. Make sure it is installed correctly.
Make sure the new part is correct.
What is your year, make, model, engine?
Why did you replace this shift pack?
What part number did you install?

 

There's a linkage you need to line up when you install the valve body. Failure to do so can result in some odd behavior or damage.