I suggest that you go to your local library and get a copy of a Chilton or Haynes Auto repair manual for the year and make of your vehicle. They are quite informative on most parts placement and how to troubleshoot.
on what car
Chainsaw?
how do you replace front left turn signal on a 2001, volvo, s80
Check the back signal light. Usually if the front blinks fast the back is out or need to be replace. Vice versa
yes you do
pictures of how to change front signal bulbs on a 2004 grand prix pontiac
Replace turn signal switch. Its grounding when you put turn signals on. I had the same problem and replaced it .Solved issues.
Unplug the whole light assembly from the bottom front of the car it just pops out to replace the turn signal bulb-same on the rear but you have to remove the trunk lining first.
underneith the front bumber twist counter clockwise replace bulb
howtochange the dashboard blubs
u go ask a mechanic to do it then pay them for it
flasher will not flash when circuit is open or shorted replace left front turn signal bulb