The bulb has two filaments in it. 1. The parking light filament might be burned out. 2. The ground connection to the bulb might be bad (corroded socket?). This will make that signal light flash oppositely to the other signals when the headlights are on.
if the front signal is working and the back doesn't, the light is probably blown.
How do you change front signal bulb on 2000 acura RL
how do you replace front left turn signal on a 2001, volvo, s80
Assuming this is a front signal light you are trying to replace, you need to remove the head light assembly first. This will give you room to access the signal light bulb.
on what car
Check the back signal light. Usually if the front blinks fast the back is out or need to be replace. Vice versa
There is a screw on the black plastic underneath the fender, you have to unscrew it and you will have access to the signal light.
The 1973 ventura had a hole in the bumper for the front signal light, the 1974 had a slit in the front bumper with the signal light at the edge
Change the front turn signal light bulb. It's bad.
You should clarify your problem or question. Is it the front or rear signal light? Is the tail light coming on with the signal light? Are none of the lights coming on at all?
How to replace front signal light on a 2001 F250 Heavy Duty truck