Why are my turn signals not working with headlights on?

Why are my turn signals not working with headlights on?

I moved the ground connections for the tail lights from the tub to the frame = no change. I switched the (modified) stock flasher to an EP26 flasher for LEDs = The lights blink fast and the turn signals still do not work with the headlights on.

What happens to the lights when the headlights are on?

When the headlights are on, the brake lights, running lights, back-up lights all function as expected. The Hazards and the turn signals do not work. If the turn signals or hazards are on and then the headlights are turned on, the lights stop blinking.

How can I tell if my turn signal is working?

The bulbs look good and as long as the exterior lights are not on, the signal is fine. I would check the grounds–something is not working correctly. When the headlights are on-look at the turn signal in the dark. If there is a faint glow, you have a powered ground.

Why is the left side of the turn signal not working?

This time, though, the left or right side of the signals doesn’t work. You may see the dash indicator lamps illuminating brightly, but the turn lights won’t flash. You may be dealing with bad bulbs or a fault between that side of the circuit and the turn signal switch itself.

Why is the right turn signal light not working?

Back probe the wire that supplies power to the right turn signal lights; the test light should not light. If the test light illuminates, replace the switch. Repeat the test, but this time operate the switch so the right turn signals light.

Is there a turn signal for both left and right?

Although some models use a separate light for the left and right turn indicators, other models use a single light for both turns. If your instrument panel has only one indicator light for both left and right, check the flasher unit. Some vehicle models combine the brake light, taillight and turn signal into one light bulb.

What are the symptoms of a bad turn signal Flasher?

1. Turn signals or hazards do not function. The most common symptom of a bad or failing turn signal / hazard flasher is hazards or turn signal lights that do not function. If the flasher breaks or has any internal issues it can cause the lights to malfunction, or not respond at all when the turn signal lever or hazard light button are pressed.

What to do if your turn signal switch is bad?

You may be dealing with bad bulbs or a fault between that side of the circuit and the turn signal switch itself. First, check the bulbs to see if they are still in good shape: No darkened areas or damaged filaments. Then, check the sockets for corrosion, wear or damage. Confirm the ground and power connections are working properly.