turn signal on 1991 Buick Regal

turn signal is not working even after changing the fuses and light bulbs

Asked by for the 1991 Buick Regal
1991 Buick Regal, turn indicator replacment
3 answers
There should be a method of diagnosis to find the problem. A voltmeter and a wiring diagram can help to check voltages at specific points to try to isolate the root cause.
the turn signal in the back is when i put the bulbs in they come on just dont blink i need to no where the sincer is