Already tested straight from negative on battery to bulb with turn signal on while having plastic housing off and no luck and no change. The bulb works when you place headlight switch in parking lights mode(middle setting), but blinking side of bulb does not. This is some kind of power issue I believe. I disconnected the the male/female connector on the light bulb housing & used a volt meter on wires when disconnect and left blinker on. I found the male side showed zero volts and female shows up and down with highest being 2 volts.
Where do I look for the issue when it affects the bulb in dash.
I tested removing the rear left taillight bulb to see if the front left turn would blink with extra voltage not being used in rear bulb but the relay did not even click in test. Place rear bulb back in and same results as originally mentioned.
While I had dash apart I cleaned the ground connection from the dash cluster holding the headlight switch, windshield wiper, dimmer switch, to dash frame(metal on metal with no paint). The one the bottom screw on assembly connects, but no change.
I could be chasing two separate issues when I talk about front blinker not working and the dash left blinker light not working, but I feel there related.
I should mention having hazard lights on has same results. rear left blinks and all of right works fine. no dash bulb on left and front left do not