Golf/GTI VII :: Wiring LED Taillights Without Signal Flash When Braking
Nov 15, 2014
Since the first time I saw the OEM LED taillights I knew I wanted them and I knew I didn't want that turn signal glitch when braking. There is, of course, the option to wire the LED tails the OEM "proper" way, but I wasn't interested in running multiple wires from front to back so I came up with another way.
All of the wiring to make these work without error* (This method will make the inner LEDs work as brake and Running lights, opposed to just running lights) is confined to the hatch and outer taillight areas.
The main thing that I knew I had to avoid was using the current Pin 1 wire to power the Pin 3 turn signals. For some reason unknown to me the Pin 1 wire wants to be a brake light even after the brake light coding is removed from the adaption channels relating to the pin out. So if that wire wants to be a brake light so badly then that's what I would let it be.
The idea behind the wiring is to use the power from the running light on each side of the hatch to power the turn signal on that respective side (hatch and outer amber signals) and then re-power the inner running light by using a jumper from the outer taillight power.
Now some illustrations to clear that mess up:
The top portion of the picture shows the stock configuration and then the modifications take place in the lower section
And here is a quick video showing that the LED Tails are working. (When brakes are applied the turn signals don't flicker...) [URL] .....
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