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I have a 2006 cls55 amg and am trying to install sequential LED strips to add a modern touch to the headlights. So I've tried testing the pin holes with voltage meter but could not identify which one was turn signal because no oscillation occured.. I also tried testing with test light (non led old fashion bulb) but also no oscillation. There are two plugs that connect to the back of the headlight housing one plus with 3 pin holes and one at bottom with maybe 6 pin holes. I can get LEDs to power up and stay on but cannot get blinkers to work sequentially with it? Kind lost any clues would be great!