The turn signals & the brake light use the same filament of the bulb so the fact you still see the turn signals flash points to the tail lights being the issue.....
The tail light wires are the black ones... If they are getting power the license plate light & the front parking lights should be lit too....
Knowing which circuit will eliminate chasing the wrong problem....
"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
