LED's
Team Owner
Joined: Jul 2016
Posts: 25,303
Likes: 1,683
From: The Steel City, Colorful Colorado
Winner 2020 C7 of the Year - Modified
Most interior LEDs already have resistors installed in the housing. Some LED tail lights, not all, have resistors installed. A hyperfkash harness wouldn't hurt in any of those applications, but I think it's most useful for drl/turn signal LEDs.
Melting Slicks
Joined: Jan 2009
Posts: 3,275
Likes: 739
From: Miami FL
When a hyperflash harness is used resistors are not needed, although sometimes they are required when LEDs are installed in the taillights to avoid setting up error code 1295.
In a C5 the turn signal and hazard functions are provided by the hazard switch. A hyperflash harness replaces the portion that handles the turn signals with a flasher that's LED friendly. Hazards will still hyperflash because that function remains untouched in the OEM hazard switch.
Last edited by GCG; Apr 28, 2017 at 11:44 PM.
Thread Starter
Racer
Joined: Oct 2007
Posts: 431
Likes: 22
From: Chester Illinois
Only when swapping the turn signals/hazard bulbs for LEDs you could end up with hyperflashing. Any other bulb can be replaced with an LED without producing hyperflashing.
When a hyperflash harness is used resistors are not needed, although sometimes they are required when LEDs are installed in the taillights to avoid setting up error code 1295.
In a C5 the turn signal and hazard functions are provided by the hazard switch. A hyperflash harness replaces the portion that handles the turn signals with a flasher that's LED friendly. Hazards will still hyperflash because that function remains untouched in the OEM hazard switch.
When a hyperflash harness is used resistors are not needed, although sometimes they are required when LEDs are installed in the taillights to avoid setting up error code 1295.
In a C5 the turn signal and hazard functions are provided by the hazard switch. A hyperflash harness replaces the portion that handles the turn signals with a flasher that's LED friendly. Hazards will still hyperflash because that function remains untouched in the OEM hazard switch.
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Michael S. Palmer
Pro
Joined: Aug 2005
Posts: 503
Likes: 50
From: Bradenton, FL
The blinkers in almost all (all? I haven't run into one that didn't...) vehicles sold will hyperflash when a blinker bulb is out. Therefore, if an officer sees your rear right hyperflashing, he/she will assume that your front right blinker is not functioning properly and may pull you over to issue a "fix it ticket".
Your mileage my vary.