I have run into a weird electrical issue. It appears that my right turn signal has stopped flashing in the front 2 bulbs and on the dash, while still working in the rear.

Any ideas of how to diagnose this?

Thanks.

test light to front turn light Wire anywhere easy to get at to car frame.
Works then not column switch.
Not then that switch or wires to it.

Behind lower dash trim can get at turn wire at big connector to column top.

But check dash and other bulbs because easy to have more bulbs, sockets, etc bad at same time.
For dash socket... they might look ok but metal cracks and/or plastic warps and doesn't make a good connection.
Might help to switch 2 dash lights and see if problem moves.

Instrument panel bulb layout https://www.fiero.nl/forum/Forum2/HTML/138175.html

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Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)

The Ogre's Fiero Cave

[This message has been edited by theogre (edited 01-20-2020).]

I am having same issue. Front & rear turn signal light not flashing, Left side works fine. Already replaced the right front socket ground wire corroded and broken. I cleaned all the rear sockets and replaced the bulbs. Still does not flash on right side only . The dash indicator has a steady “ON” when I switch to right signal .

Any thoughts , for a fix for us non flash right signal guys? Now there’s two of us.

Lights on but no flash can still be ground(s).
Pull Front and Rear sockets to watch how bulbs are really on.

Turn On one at a time Turn, Park or Brake should Only light 1 filament on every bulb.
Any bulb light both have a bad ground and many flashers won't work right.

See my Cave, Lighbulbs