[Yooper truck]

Help!! Back to the drawing board!!

I got a new ignition switch and new ignition cylinder. However, when I went to install it I found the back of the switch is completely different. The new part has a plastic part that is connected to the metal piece. It has spade connectors. The switch I took off has contact points, but no spades. I looked at the wiring under the dash and the wiring appears to be hardwired into the plastic piece that plugs into the switch. It obviously will not plug into spades.

Is there another connector that I need to add to the back of the new part so it plugs into the spades? Do I need to pull all the wires out of the old switch backing to plug into the spades? I am at a loss of what to do.

Any help is appreciated.