You have to splice the wires.
Back on topic, Here are a couple pics of the speaker hole with the windows up and down. The big gear on these regulators is a partial circle and it never goes behind the speaker.
Down
Up
You get 3" with the Window down.
Back on topic, Here are a couple pics of the speaker hole with the windows up and down. The big gear on these regulators is a partial circle and it never goes behind the speaker.
Down

Up

You get 3" with the Window down.