Help! Hyperflash Problem
Thread Starter
Cruising
Joined: May 2007
Posts: 12
Likes: 0
From: Miami Fl
Help! Hyperflash Problem
No replies from C5 General, maybe someone here can help...
Hey Guys,
Interesting problem. My 1999 Coupe seems to have developed an issue where the right turn signal flashes very rapidly (hyperflash). No burned out bulbs, and everything seems fine upon inspection. I've heard of this problem with LED's but my lights are completely stock. The left turn signal remains fine, and interestingly, when the hazard switch is used, both sides flash at the correct rate. I thought it may be a malfunction with the hazard switch, but if the switch is bad, is it possible for the problem to be isolated to just one side? Also, this happened just hours after a HUGE rain storm (I don't believe in coincidences
).
Any thoughts?
Craig
Hey Guys,
Interesting problem. My 1999 Coupe seems to have developed an issue where the right turn signal flashes very rapidly (hyperflash). No burned out bulbs, and everything seems fine upon inspection. I've heard of this problem with LED's but my lights are completely stock. The left turn signal remains fine, and interestingly, when the hazard switch is used, both sides flash at the correct rate. I thought it may be a malfunction with the hazard switch, but if the switch is bad, is it possible for the problem to be isolated to just one side? Also, this happened just hours after a HUGE rain storm (I don't believe in coincidences
).Any thoughts?
Craig
Race Director
Joined: Apr 2007
Posts: 11,150
Likes: 890
From: South Western Ontario
Hazard switch/flasher. Replace or try the DIY bypass in the Ultimate DIY thread.
Did you try searching for hyperflash? One reason no response is because this same problem is posted about once a week.
Peter
Did you try searching for hyperflash? One reason no response is because this same problem is posted about once a week.
Peter
Le Mans Master
Joined: Jan 2004
Posts: 9,488
Likes: 1,743
From: Knoxville Tn
Hyperflash indicates an open circuit. Since you say it isn't a bulb it must be either a broken wire or a dis connected plug. Do a volt check at the socket, left and right sides should read the same when activated. needle (on volt meter) should probably bounce wetween 0 and 12 volts. It could also be a bad flasher module (plug in). Go from corner to corner, see if all the bulbs flash when activated. If one doesn't, that the culprit circuit. I all four corners flash, it's most likely the flasher.
Good luck.
Good luck.
Thread Starter
Cruising
Joined: May 2007
Posts: 12
Likes: 0
From: Miami Fl
Peter, thanks for your reply. Of course I tried searching, but I didn't find a problem similar to mine - mine is ISOLATED to the right side. Also, the rain right before this occurring made me suspicious.
Phanni, thanks for the suggestion. Perhaps there's a short somewhere, I'll check things out with the meter tomorrow.
Craig
Phanni, thanks for the suggestion. Perhaps there's a short somewhere, I'll check things out with the meter tomorrow.
Craig
Thread Starter
Cruising
Joined: May 2007
Posts: 12
Likes: 0
From: Miami Fl
Problem Solved!
I tested each corner with a meter as suggested and found I was only getting intermittent voltage spikes in the right-front turn signal. Might have been similar to your problem Tim, because after a little electrical contact cleaner all is well.
Thanks for everyone's help!
I tested each corner with a meter as suggested and found I was only getting intermittent voltage spikes in the right-front turn signal. Might have been similar to your problem Tim, because after a little electrical contact cleaner all is well.
Thanks for everyone's help!
Instructor
Joined: Jul 2009
Posts: 236
Likes: 45
From: Tallahassee
SrDesertRat, follow the advice here : http://www.youtube.com/watch?v=BaUEoD2CH4k
It is the fastest and easiest way I have found.
Tim
It is the fastest and easiest way I have found.
Tim
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Joined: Jan 2008
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From: Missouri
99 hardtop turn signal
I have the same problem it is after a heavy rain my windshield has a leak I am told it is a double sided adheasive on the molding that is not holding. I have not had time o get it repaired however I did try to find a some sign of corrosion or something to cause this. I know this is no solution but I have been experiencing the same frustration.
Race Director
Joined: May 2005
Posts: 15,960
Likes: 21
From: West Norriton PA
St. Jude Donor '08
I have the same problem it is after a heavy rain my windshield has a leak I am told it is a double sided adheasive on the molding that is not holding. I have not had time o get it repaired however I did try to find a some sign of corrosion or something to cause this. I know this is no solution but I have been experiencing the same frustration.
Race Director
Joined: Jul 2004
Posts: 16,795
Likes: 62
From: Lake Havasu City, AZ
I have the same problem it is after a heavy rain my windshield has a leak I am told it is a double sided adheasive on the molding that is not holding. I have not had time o get it repaired however I did try to find a some sign of corrosion or something to cause this. I know this is no solution but I have been experiencing the same frustration.
