Strange VW indicators


https://youtu.be/QrQtRhtqx2w

https://youtu.be/QrQtRhtqx2w

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Graham.

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On 24/05/2019 22:27, Graham. wrote:

Earth fault. No connection to chassis.
Bill
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Yes it is reminiscent of the 5/21 watt tungsten fault. Are the lights on the boot lid supplementary break lights then? If it's a fault, the application of the breaks is nor affecting it.
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Brake lights even. Sorry. ^^^^^
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Graham. wrote:

The light clusters on various VAG vehicles are programmable via an OBD II lead, that looks like the "pace car indicators" mod
<
https://www.youtube.com/watch?v=xLNr48ZQp5E

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They flash together, not alternately but I imagine there is an option to do that too.
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And the brake lights are even weirder, particularly with brief application of brakes when about to turn when just pausing briefly.
Wonder how long some kraut fiddled around coming up with that.
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that is what happens when the light unit has a bad earth ....
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Jim GM4DHJ ... wrote:

Modern cars don't send an individual switched 12V supply to each lamp, they send a single 12V permanent supply and a CANBUS signal to a controller within the lighting cluster which turns the individual lamps on and off (more likely LEDs than incandescent nowadays and they get strobed which some see as annoying flicker)
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