New projector lights, but turn signals won’t work - Mercedes Benz SLK Forum

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#1 Old 02-18-2018
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New projector lights, but turn signals won’t work

I installed new projector lights. My turn signals work without the headlights on. When I turn on the headlights, the signals are steady on and dont blink. I already replaced the new sockets with the original sockets so the figment is correct.
Am I missing some wiring? This should be plug and play but....
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#2 Old 02-18-2018
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It would appear that you are somehow powering the turn signals with headlight power also. Can you post a picture of the hookup? I just happen to be working on my previously installed projector headlights right now as well.
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#3 Old 02-18-2018
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Now that you said that I think you may be right. Here’s a couple pics.
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#4 Old 02-18-2018
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I did notice that the bulb has a single filament and the stock one was double filament. I was going to replace them to see if that helped, but the new bulb is stuck in the socket.ugh
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#5 Old 02-18-2018
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Quote:
Originally Posted by Chewy44 View Post
I did notice that the bulb has a single filament and the stock one was double filament. I was going to replace them to see if that helped, but the new bulb is stuck in the socket.ugh
I think you just answered your own question, sounds like the parking light is powering the turn signal when the lights are turned on. Hopefully it's just a bulb issue 1 VS 2 filament. Let us know what you find out as this might help someone else down the road.
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