NEED HELP :( - Central Door Lock System Installation

i recently purchased a central door lock system, and when i opened it up, i found no instructions, and i have looked around the net to get diagrams,
instructions, or even pictures, but i dont understand how it is to be installed. I have found the factory mounting holes. I dont understand what the rod and other parts are for. I have a 97 dodge neon.
Help and information would be greatly appreciated
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