The signal indicater only works for the right side-it just started this yesterday.This car has only one light/bulb for both L&R indicater.I checked the bulbs and they all function correctly (stop,turn,tail lights) and replaced the flasher.In the past years I have upgraded,replaced and generally restored including:
new signal indicater switch in coloum
cleaned all grounds and sockets
cleaned and repaired the dash circut board
tested and restored all lighting wiring

Yesterday was the first time out of the garage this year and I got rained on then the light quit.
Any ideas I haven't covered? Thanks,Dave