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Good Morning everyone, new to the forum here and corvettes as well.
Over the last week, I have spent countless hours searching the old interwebs for a fix to my hyper flash issue. One diagnosis after another, I cannot figure out what the issue is. All of the bulbs in the vehicle are factory bulbs. When I press the hazard switch, everything works as it should and the blinkers, blink at the normal rate. Now when I turn either side turn signal on, it is normal for one flash and then immediately moves into hyper flash. It doesn't matter if the vehicle is hot or cold it does it all the time. I also pulled every bulb and verified all of the filaments were intact, which they are.
Any idea what could be going on or how to fix it? I know I could wire in some load resistors to probably fix the issue but I think that could just be a bandaid for the real issue here.
Also, I did use the search function before posting but I didn't find where anyone was having a similar issue. Theirs were either because of LED bulbs, or the flasher unit went bad. Any advice would be much appreciated and thanks for looking.
PFA- Car on the dyno this past weekend.
Last edited by Bprice812; Sep 10, 2020 at 12:34 PM.
Who sold them?
Be damned if I can recall name but CF has a vendor hawking these lights and they're aware of this problem.
If it's the same outfit send 'em an email, they've some kind of harness (IIRC) which solves the flickering issue.
Best of all they'll ship it at no charge.
Who sold them?
Be damned if I can recall name but CF has a vendor hawking these lights and they're aware of this problem.
If it's the same outfit send 'em an email, they've some kind of harness (IIRC) which solves the flickering issue.
Best of all they'll ship it at no charge.
I don't know that I have ever heard of factory lights hyper flashing.
Factory bulb will hyper flash on the one that works. Not the one that doesn’t work. Natures way of letting you know one or more bulbs are out. There is no turn signal flasher in a C6.
Usually this is from a burnt out bulb. A computer in there somewhere would have read the resistance as too high (an open circuit) for the one the burnt out bulb is in. Thus inducing the hyperflash letting you know there is a burnt out bulb...but it looks like you have that crossed off. You say it does it for both right and left turn signals which leads me to believe that perhaps the previous owner had LEDs and left the resistors in the was preventing his hyperflash. Just a thought...maybe your module is reading a lot of resistance and thinking there is a bulb out. The hazards blink normal because the module tells them to regardless of burnt out lights. Sooooo...look for some extra resistors near your bulb assemblies. Good luck!
Good call @lobstah24 , I will start looking through the wiring this evening. Maybe its worth going back to LEDs if the resistors are already there. Also, thanks for the info on the hazard switch. I didn't know that the switch itself would slow down the rate of flash even if a bulb was out.
Thanks to everyone else above as well but yes they are OEM bulbs and flashing fast on both sides, all the time.
Last edited by Bprice812; Sep 10, 2020 at 12:33 PM.
[QUOTE=.... Thus inducing the hyperflash letting you know there is a burnt out bulb...but it looks like you have that crossed off.
Not necessarily. The OP checked the filaments in each bulb and they looked intact. He needs to energize each bulb to see if it is operable or burnt out
Last edited by Bob Paris; Sep 10, 2020 at 02:28 PM.
[QUOTE=Bob Paris;1602159311][QUOTE=.... Thus inducing the hyperflash letting you know there is a burnt out bulb...but it looks like you have that crossed off.
Not necessarily. The OP checked the filaments in each bulb and they looked intact. He needs to energize each bulb to see if it is operable or burnt out[/QUOTE]
Did you read my whole post? The line you specify is referring to the theory of operation of the system.
Good call @lobstah24 , I will start looking through the wiring this evening. Maybe its worth going back to LEDs if the resistors are already there. Also, thanks for the info on the hazard switch. I didn't know that the switch itself would slow down the rate of flash even if a bulb was out.
You're welcome. The switch per-say does not slow down the blink rate. The module reads that the hazard switch is depressed and forces the blink rate to be normal regardless of burnt out bulbs.
Let us know what you find...hopefully you will get her done this evening. Like you said if the resistors are there it would be easy to install LEDs.
Did you read my whole post? The line you specify is referring to the theory of operation of the system.[/QUOTE]
I read your whole post and do not disagree with you. I "disagree" with the OP looking at the filament to determine if the bulb is OK. A bulb can look OK but be bad. I wish the OP luck in solving this.
Good call @lobstah24 , I will start looking through the wiring this evening. Maybe its worth going back to LEDs if the resistors are already there. Also, thanks for the info on the hazard switch. I didn't know that the switch itself would slow down the rate of flash even if a bulb was out.
Thanks to everyone else above as well but yes they are OEM bulbs and flashing fast on both sides, all the time.
I just came across this thread and am having the same issue with my newly acquired C6. Did you ever find a solution?
Hyper Flash Issue....
