Heres a good one!!

Looking for FABO electrical detectives.


Engine off.
Key to "on" position
Turn signals work ok

Start Engine
Left turn signal works ok
Right turn signal causes headlights to flash

Kill engine keeping ignition in "on" position (separate power to MSD)
Right signal returns to normal.

I am so frustrated Im ready to start using hand signals.
I unplugged the headlight switch with no difference
I pulled the headlights and cleaned the terminals, no difference
I pulled the dimmer switch, checked wires, works fine, no difference.

How the heck is the headlights in the turn signal wiring anyhoo! and why the heck did this issue start in the first place.

Recent wiring - voltage regulator wiring to new alternator, pretty straight forward. I don't think this problem started then but then again I just got this car on the road so it just started seeing nighttime driving.

Any Ideas?