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C5 hyperflash harness

Old Dec 27, 2018 | 03:05 PM
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Default C5 hyperflash harness

I recently installed a new hyperflash harness which is a great fix for blinkers that are not working due to a bad flasher switch.
Have any of you installed this and if so can you now replace your exterior lights with LEDs without adding resistors?
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Old Dec 27, 2018 | 03:20 PM
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I installed a hyperflash harness and changed all interior/exterior bulbs with LEDs successfully, no resistors.
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Old Dec 27, 2018 | 04:14 PM
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Originally Posted by Ironman1
I recently installed a new hyperflash harness which is a great fix for blinkers that are not working due to a bad flasher switch.
Have any of you installed this and if so can you now replace your exterior lights with LEDs without adding resistors?
Yes that is the primary purpose of the hyper flash harness. Bypassing the flasher in the hazard switch is a secondary benefit,
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Old Dec 27, 2018 | 05:11 PM
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Default C5 hyperflash harness

Okay thanks much guys. Sometimes you buy merchandise that doesn't stand up to the title but this does work rather well. Turn signals working great now. Can't wait to do the exterior lights!
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Old Dec 28, 2018 | 12:56 AM
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Originally Posted by Ironman1
...Have any of you installed [a hyperflash harness] and if so can you now replace your exterior lights with LEDs without adding resistors?
Originally Posted by Ironman1
...Can't wait to do the exterior lights!
Just to clarify, only when swapping turn signal/hazard bulbs (front and/or tail) for LEDs you could end up with hyperflashing. Any other bulb can be replaced with an LED without producing hyperflash.
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Old Dec 28, 2018 | 02:17 AM
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