Reverse lights ?

Hi guys !
I'm getting the dart all finished up. I have a later 904 Trans. The plug looks correct. I fallowed the plug from tail light. Looks like it goes to junction plug under driver kick panel. The plug from tranny goes to fire wall in engine bay. Is there a connection from fire wall to that junction or column? No reverse lights. I have electrics diagram. Can't see where it goes from fire wall. Thank you.

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