My left signal isn't flashing...and sometimes it will not flash on the right...I just bought what the auto parts place said I needed to try, which was a flasher fuse...it has 2 prongs like you would plug into the wall...except they are slanted. I dont know where to find this fuse. It is not with the fuse panel
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where did you get the flasher from? autozone? try to get another one from a good parts supplier. if not, check the bulbs themselves. if they are supposed to be a dual filiment bulb, and only a single filiment bulb is in there, it may not flash. try using the turn signals with the parking lights on. does this make a difference?
If the lights illuminate but don't flash it is very likely a bad flasher relay causing your concern. It's usually located above the drivers footwell area. It looks like a small metal can with two or three terminals. They are available at just about any parts store for under $10.
Flashers on GM cars are found under the dash. You have to remove the screwed on plastic panels to reveal the electronics underneath.
It should look like a 1.2" cylindrical metal 'flasher.'
You can get the right one by looking it up in a book at the auto parts store and searching for the right model number.
I recommend getting the electronic version of the flasher so it will not wear out as quickly as the standard one from GM which is mechanical and not electronic solid state.
Good luck finding it because it can be in a very dark part of the under dash part, sometimes hidden out of plain view.
Sometimes there are two flashers, one for the turn signals, and one for the hazard flashers. They can be located in different areas.
Tip: When you actually search for the flasher, turn the turn signals on and feel the barrel of the flasher you first see to see if you can feel hit ticking. If you can, then you found the turn signal flasher.
The other hazard flasher must be located further into the area under the dashboard and above the plastic panel you removed.
Oh you'll love this I just fixed that problem. Yes there is a flasher fuse there are actually three. One in the fuse box and two under the dash panel. Drop your plastic panel at the bottom and look for two half a dollar sized round fuses those are your flasher fuses. They run around two bucks at your nearest auto part I would replace both so you want have that problem again but yes there is a flasher fuse for it. Good luck
Most likely cause is the flasher relay located under the drivers dash in the fuse panel. This relay is round and may be metal. Replace it with an electronic flasher relay. Pay the ten bucks and have trouble free service for a lifetime.....