The slowness is because the spring in the flasher is not heating up fast enough.
Turn signal SLOW
Thread Starter
Heel & Toe
Joined: Apr 2012
Posts: 21
Likes: 1
Turn signal SLOW
Is there anything wrong with my turn signal? It blinks at the pace of a blade of grass growing. When I hit the brakes it no longer blinks. Is this by design for a 1992 C4 Convertible, pictures in my garage, let me know. Thanks! 
Safety Car
Joined: Jun 2006
Posts: 3,629
Likes: 28
From: FL
If both sides flash slow it sounds like you have the wrong flasher installed for the turn signals. If it is just one side make sure the bulbs are correct.
Last edited by toptechx6; Apr 25, 2012 at 04:20 AM.
Melting Slicks
Joined: Dec 2004
Posts: 2,954
Likes: 2
From: Obama=death for America
This may be a "way out there" reason, but your battery or alternator could be bad. A weak battery could cause your flashers to flicker slower due to an incomplete or weak load. Turn on your headlights and check to see if they are dimmer than normal. If they are, you've probably got a bad battery or alternator.
Le Mans Master
Joined: Jan 2006
Posts: 5,621
Likes: 206
From: Orlando FL
This may be a "way out there" reason, but your battery or alternator could be bad. A weak battery could cause your flashers to flicker slower due to an incomplete or weak load. Turn on your headlights and check to see if they are dimmer than normal. If they are, you've probably got a bad battery or alternator.
If voltage is OK then getting to the flasher is a bit more work and I would probably change it next providing all bulbs are good and the correct ones are in there.
Race Director
Joined: Apr 2002
Posts: 10,036
Likes: 346
From: Anaheim CA
A fast flashing rate is the classic symptom of a bulb with a shorted filament. The coils short together and reduce the resistance so the lamp draws more current and causes the flasher to flash faster. The way to find the bad lamp is to remove one at a time and see how that affects the flash rate.
I have heard that you can get "heavy duty" flashers that don't depend on the bulb resistance to determine the flash rate. They are made for vehicles towing trailers which may have a bunch more bulbs than a normal car/truck.
I have heard that you can get "heavy duty" flashers that don't depend on the bulb resistance to determine the flash rate. They are made for vehicles towing trailers which may have a bunch more bulbs than a normal car/truck.
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Thread Starter
Heel & Toe
Joined: Apr 2012
Posts: 21
Likes: 1
Here is my fix..I went the most inexpensive way first. I replaced all the tail lights with standard replacement bulbs, along with a new heavy duty flasher. I found the flashed under the driver panel above my left knee. The job took me an hour and cost less than 25 dollars. I plan on doing led's in the future.
