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  #1  
Old 06-26-2006, 04:01 PM
boomer62 boomer62 is offline
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Turn Signal Two Speeds

My left turn signal flashes at normal speed. My right flashes at twice the speed. ALL TURN, RUNNING, PARKING, BRAKE AND TURN SIGNAL LIGHTS WORKS ON THE RIGHT SIDE. Does anybody have any ideas what would cause this?
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Old 06-26-2006, 04:36 PM
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Re: Turn Signal Two Speeds

Quote:
Originally Posted by boomer62
My left turn signal flashes at normal speed. My right flashes at twice the speed. ALL TURN, RUNNING, PARKING, BRAKE AND TURN SIGNAL LIGHTS WORKS ON THE RIGHT SIDE. Does anybody have any ideas what would cause this?
Check all bulbs and bulb no and sises and sockets and grounds.
Pull blubs one at a time and see if just one bulb is giving the problem.
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Old 06-26-2006, 05:10 PM
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Re: Turn Signal Two Speeds

I just had the same problem mysteriously correct itself...I figured it was the flasher module at the time since it's always been horrendously loud but I didn't get around to swapping it out before the issue went away.
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Old 06-26-2006, 07:59 PM
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Re: Turn Signal Two Speeds

Oddly enough, my 2000 Blazer is doing the exact same thing. normal on left, fast on right and all lights work. It has been doing it for months. Since the lights work I just left it alone.
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Old 06-26-2006, 10:08 PM
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Re: Turn Signal Two Speeds

It does this to say a bulb is blown.
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Old 06-26-2006, 10:48 PM
goser goser is offline
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Re: Turn Signal Two Speeds

So what would cause it to happen when all the bulbs are okay?
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Old 06-26-2006, 10:50 PM
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Re: Turn Signal Two Speeds

You sure you tested the brake light operation as well.

One filament in a dual filament bulb is all it will take.

The side that is blinking fast is the side with a bulb partially out.
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Old 06-28-2006, 08:00 AM
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Re: Turn Signal Two Speeds

BlazerLt is correct with his diagnosis. If in dought, change all the bulbs on the side that is flashing faster. That is why GM design it, so you know when a bulb is bad or the socket is bad. Also the filament change be blown near the post it is connected and when sitting still, it can make a connection and work, but when your driving it no longer makes a connection.
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Old 06-28-2006, 02:47 PM
boomer62 boomer62 is offline
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Re: Turn Signal Two Speeds

Switched brake light bulbs in back. Right bulb was bad. Replaced it and all is well. Thanks for your help.
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Old 06-28-2006, 03:04 PM
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Re: Turn Signal Two Speeds

Quote:
Originally Posted by boomer62
Switched brake light bulbs in back. Right bulb was bad. Replaced it and all is well. Thanks for your help.
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