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Problems and Service Talk about any mechanical problems you are having

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post #1 of 19 (permalink) Old 06-25-2012, 11:33 PM Thread Starter
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Headlights

I'm not new to hids but I just got a new set since my buyhids finally went out after two years I got a whole new set locally because I didn't want to wait but my problem is sometimes when I turn the car on at night the lights come on automatically but for some reason sometimes one is out or they are both out and I have to manually turn them on I never had this issue before they don't flicker or anything just sometimes wont light when I start the car but always lights up manually and this kit is brand new what could it be?

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post #2 of 19 (permalink) Old 06-26-2012, 05:03 AM
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I had this problem with a Pontiac grand prix I had. Seems like the most common excuse ppl told me was not enough voltage going to the headlights, so i bought a wire harness adapter and it still did the same thing. I ended up either getting out to make sure both were on or pull up to something and check that way.

I think specifically on the newer (07+?) cobalts the drl's dont provide the proper voltage.

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post #3 of 19 (permalink) Old 06-26-2012, 07:22 AM
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Just cut the purple DRL loop out.

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post #4 of 19 (permalink) Old 06-26-2012, 08:55 AM Thread Starter
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The thing is my first hid set never had this problem and my drls have already been disconnected it's really annoying to keep getting out to check maybe I need a new battery? LOL

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post #5 of 19 (permalink) Old 06-26-2012, 09:54 AM
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mine do this too...its a real pain. Easiest solution I found, without cutting any wires or pulling fuses, is to flip the auto lights off right after you start the car. Then once you go into gear they go back on and youre at 14.4v so both kick on. works every time for me but its still annoying to have to do that.
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post #6 of 19 (permalink) Old 06-26-2012, 06:13 PM
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Hmmm, haven't had this issue. But you're running a relay harness, right?
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post #7 of 19 (permalink) Old 06-26-2012, 07:23 PM Thread Starter
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Nope never used one with the buyhids I had for two years no problems only difference is I got this set locally but I did get a free relay harness when I first bought from buyhids I still have it should I install it? I don't even know how to tho LOL

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post #8 of 19 (permalink) Old 06-26-2012, 07:39 PM
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wouldnt hurt, imo makes the engine bay look cluttered but you could always tidy the wires up

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post #9 of 19 (permalink) Old 06-26-2012, 07:55 PM
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Yea, I would install the relay harness and see if it helps. Shouldn't take too long

http://www.buyhids.com/pdf/install_relay_harness.pdf


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wouldnt hurt, imo makes the engine bay look cluttered but you could always tidy the wires up
Zipties ftw!
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post #10 of 19 (permalink) Old 06-26-2012, 07:59 PM
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Something doesn't make sense here. It's the same power going to both lights, through 2 different fuses mind you, but the same voltage nevertheless. Unless your ambient light sensor hasn't had time to realise it's dark yet. There is always a slight delay there, if it was daytime the last time you shut it off. Furthermore flicking the switch shouldn't turn them on any faster if the ambient has them on already because it's the same relay.

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