Almost all cameras use a RCA connector;
This is a picture of a Ford camera from another model;
Explorer camera;
You may be able to use one of these to split the out put;
Or this;
Splitters image from https://www.cablesforless.com/p-129-...rca-plugs.aspx

You will probably need to split the signal right behind the camera and send an extension cable to the Kenwood.