Replacing bulbs with LED's
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Burning Brakes
Joined: Apr 2008
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From: Sullivan Illinois
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Replacing bulbs with LED's
Thinking about replacing the bulbs in my tail lights and turn signals (I have euros) to LED's. I saw something about some sort of problem when doing this and having to add a hyperflash resistor. Anyone know anything about this? Is this needed and is each resistor only good for one LED? Thanks, JD
Burning Brakes
Joined: Dec 2010
Posts: 1,151
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From: SoCal
LED's will typically cause hyperflash because your car sees their lower resistance as a bulb failure.
You can take care of this in one of two ways:
1) Add a resistor in series with EACH light you upgrade or,
2) Add whats called a Hyperflash Harness. This installs under the steering wheel and will take care of any LED install on the entire car.
Do a google search for the Hyperflash Harness. Most hits will be back on the forum and that will help you find who carries them... now just hope they are in stock
You can take care of this in one of two ways:
1) Add a resistor in series with EACH light you upgrade or,
2) Add whats called a Hyperflash Harness. This installs under the steering wheel and will take care of any LED install on the entire car.
Do a google search for the Hyperflash Harness. Most hits will be back on the forum and that will help you find who carries them... now just hope they are in stock
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LED's will typically cause hyperflash because your car sees their lower resistance as a bulb failure.
You can take care of this in one of two ways:
1) Add a resistor in series with EACH light you upgrade or,
2) Add whats called a Hyperflash Harness. This installs under the steering wheel and will take care of any LED install on the entire car.
Do a google search for the Hyperflash Harness. Most hits will be back on the forum and that will help you find who carries them... now just hope they are in stock
You can take care of this in one of two ways:
1) Add a resistor in series with EACH light you upgrade or,
2) Add whats called a Hyperflash Harness. This installs under the steering wheel and will take care of any LED install on the entire car.
Do a google search for the Hyperflash Harness. Most hits will be back on the forum and that will help you find who carries them... now just hope they are in stock
When I added my LED Halo taillights, I installed the second option listed - easy to install and works like a charm - no hyperflash.
Safety Car
Joined: Apr 2007
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From: . New York
And its actually a Flasher Bypass, so you are no longer routing the signal current through the hazard switch in the center of the dash (which is a pain to change if it goes out) so you wont ever have to fix that.
Drifting
Joined: Mar 2008
Posts: 1,473
Likes: 548
From: Orlando & Flagler Beach FL
LED's will typically cause hyperflash because your car sees their lower resistance as a bulb failure.
You can take care of this in one of two ways:
1) Add a resistor in series with EACH light you upgrade or,
2) Add whats called a Hyperflash Harness. This installs under the steering wheel and will take care of any LED install on the entire car.
Do a google search for the Hyperflash Harness. Most hits will be back on the forum and that will help you find who carries them... now just hope they are in stock
You can take care of this in one of two ways:
1) Add a resistor in series with EACH light you upgrade or,
2) Add whats called a Hyperflash Harness. This installs under the steering wheel and will take care of any LED install on the entire car.
Do a google search for the Hyperflash Harness. Most hits will be back on the forum and that will help you find who carries them... now just hope they are in stock
OR
You can do nothing. I do not mind the hyperflash when using my turn signals and even think that the fast blinking is more visable for other drivers to see.
Pro
Joined: Apr 2009
Posts: 554
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From: Kitty Hawk NC
I'm considering the harness. The problem is that sometimes the speed varies from slow to fast and goes back to slow. It's annoying and probably looks weird for whoever is watching from outside to see the change in blinking speed.
Le Mans Master
Joined: Sep 2010
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From: Long Island NY
I've had the hyperflash harness installed for about two years now. I have LED's front and back and the flash rate has always been the same no matter how long they blink, never had a problem.
Thread Starter
Burning Brakes
Joined: Apr 2008
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From: Sullivan Illinois
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So, because I have euros (turn signals have their own bulbs) I can leave those with the stock bulbs and change the tail/brake bulbs to LED's and have no hyperflash issues. Is this the right assumption?
Will a LED even work to replace a double filiment bulb (tail/brake) and how?
Will a LED even work to replace a double filiment bulb (tail/brake) and how?
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Drifting
Joined: Apr 2008
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From: Ga
Thinking about replacing the bulbs in my tail lights and turn signals (I have euros) to LED's. I saw something about some sort of problem when doing this and having to add a hyperflash resistor. Anyone know anything about this? Is this needed and is each resistor only good for one LED? Thanks, JD
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For the C5 stick to the harness. It costs more, but installs really easy and you don't have to worry about heat that the resistors produce.
Personally I wouldn't waste the time or money adding plug in leds to those tails. There isn't much benefit.
I do suggest them for the front. Stock bulbs get hot and usually melt the lenses.
Personally I wouldn't waste the time or money adding plug in leds to those tails. There isn't much benefit.
I do suggest them for the front. Stock bulbs get hot and usually melt the lenses.
Thread Starter
Burning Brakes
Joined: Apr 2008
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From: Sullivan Illinois
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For the C5 stick to the harness. It costs more, but installs really easy and you don't have to worry about heat that the resistors produce.
Personally I wouldn't waste the time or money adding plug in leds to those tails. There isn't much benefit.
I do suggest them for the front. Stock bulbs get hot and usually melt the lenses.
Personally I wouldn't waste the time or money adding plug in leds to those tails. There isn't much benefit.
I do suggest them for the front. Stock bulbs get hot and usually melt the lenses.
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A definte benefit. I changed the flasher once.....PIA - no more.
Safety Car
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for what it's worth, when i added just my halo led tail lights, i purchased the hyperflash "kit", but never installed it because it just wasn't necessary. there was no change in the flash rate at all. when i decided to add additional led lighting, however i installed the kit without even testing anything else not wanting to take the chance it was needed. you can always just change out the flasher to one of the new digital ones and you won't have the problem either.