the front driverside turn signal works if headlights are off but if lights are on the it doesn't work and parking light bulb won't light up either which is the same light bulb for the turn signal
That sounds like you have lost a ground circuit, could even be a bad socket.
I have same problem. Mechanic said it was switch. Put new one in and now both running lights or front turn signals when headlights on. Rear lights work fine just fronts. Cleaned 2 off the grounds. What could be problem???
I have same problem. Mechanic said it was switch. Put new one in and didn't work. Rear lights work fine just fronts dont. Cleaned 2 off the grounds. Cant find other 3 grounds. What could be problem???
I suggest the same as above for yours too.
Try running a temporary ground to wire to turn signal ground (black wire)
Fused to above note
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