2007 Cadillac DTS won’t start

Okay so about 3 days ago I had my neutral safety
switch replaced I payed the shop 450 to do that
brought the car home parked it for a couple of
hours go back outside to start it and it won’t do
anything all my lights are coming on but when I
turn the key nothing. So I pulled the “crank” relay
and jumped it with a wire and it will turn over but
no crank. So I pulled the crank/run relay and
jumped it and the starter clicks but no crank or
start. I’m getting fuel to the lines I don’t know what
else to do????!!!!!