Why is my turn signal not working on my GM car?
Why is my turn signal not working on my GM car?
The turn signals on most older GM cars do not have a ground wire. They get their ground through the screws that mount them to the body. There is a good chance that your mounting screws are corroded enough to cause a bad ground at the light. Take the screws out and clean the screw and hole up and try again.
Why do both rear turn signal lights flash?
Truck is my personal ”winter beater” and tow vehicle for my drag car. When the R or L turn signals are activated, BOTH the rear lights flash. Front is fine. Headlighs on or off makes no difference. Using an unpowered 12V test light with the firewall harness plug disconnected I checked power feed from the column switch.
How to fix right side turn signal flashing very quickly?
ASTE25 wrote: Check your right side turn signal bulbs. They will flash about double speed if one or more is burned out. I agree check the bulbs there is probably one out! Re: Right turn-signal flashing very quickly.. how to fix? Check the front as well, lots of people forget they can affect it as much as the rear ones.
Why does my brake light and turn signal switch not work?
Without knowing exactly what wiring work was performed its nearly impossible to say definitively what the issue is. The brake light circuit and the turn signal circuit have crossed paths somewhere. The wires carrying the power supply from the turn signal switch is connected or touching the brake wires.
What makes the lights flash on a GMC Truck?
With the headlights off, using the turn signals the truck acts fine but some of the running lights on the trailer flash. With the hazards on, the license plate lights on the truck flash and a few more running lights on the trailer flash.
How does the turn signal work on a GMC Truck?
When I remove the fuse, disabling the resistors, the mirror signal lights and dash indicators are dimly lit and the turn signal clicks only once. Put the fuse back in to enable the resistors and they go out and the turn signal blinks as it should.
The turn signals on most older GM cars do not have a ground wire. They get their ground through the screws that mount them to the body. There is a good chance that your mounting screws are corroded enough to cause a bad ground at the light. Take the screws out and clean the screw and hole up and try again.
Without knowing exactly what wiring work was performed its nearly impossible to say definitively what the issue is. The brake light circuit and the turn signal circuit have crossed paths somewhere. The wires carrying the power supply from the turn signal switch is connected or touching the brake wires.
Why is my turn signal not working when the headlights are on?
When the headlights are on-look at the turn signal in the dark. If there is a faint glow, you have a powered ground. Electricity—takes the path of least resistance. The turn signals on most older GM cars do not have a ground wire.
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.
