1980 All Other Makes All Other Models Repair Question
1980 Rabbit Turn Signal
I would unplug each lens in the trunk and check for corrosion at the connectors.
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had the same car. You narrowed down the fact it ain't the flasher unit, and I am supposing you went outside and checked to be sure all the bulbs worked.
I would pull the steering wheel and clean the contacts for the signal light with some fine sandpaper(make it shiny metal).
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