If the fiber optic under the dash is flashing red on that test port, then the most fiber circuit should be complete?
Just checked again and have power on the red/white wire and ground on the brown wire at the amp connection. As well as the red flashing light there too.
Just unsure on what the next diagnostic step is. Most posts and videos involve the most fiber optic circuits and it would appear it is functioning properly from the bit I know.
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