Wiring Issue Headlamp not working Continued...

May be helpful
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See Del's My review of Faxon book, 1967-1969 Dodge & Plymouth Body & Electrical Assembly Manual

hard top wiring diagram


Factory diagram pdferized with layers

Plymouth 67 Service manual Barracuda supplement available here
https://mymopar.com/service-manuals/
Parking and tail light power comes through the fuse to the B2 terminal on the headlight switch.
Inside the switch instrument lamps and radio lamp power splites off and runs through dimmer control and out to the 2 amp fuse.
Here's a schematic.
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