HID Help Please! *Driver Side Works Half the Time* - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 8 (permalink) Old 06-28-2013, 08:58 PM Thread Starter
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Exclamation HID Help Please! *Driver Side Works Half the Time*

Hey there,

My driverside HID works about half the time. I know this is a common problem for some reason but here's what I've done to try and fix this.

I've changed the bulb, and I have it properly grounded, and I've unplugged and replugged all connections numerous times.

One thing I'm hoping someone can shed some light on is that when I regrounded my ground wire, I noticed that there wasn't a spark-like connection like my passenger side. My driverside light wouldn't flicker or anything. So why is it that sometimes it's absolutely fine and sometimes it doesn't work at all? What would cause something like this?

Any help would be appreciated.
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post #2 of 8 (permalink) Old 06-28-2013, 09:54 PM
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Could be the ballast.
Make sure all the wires are plugged in, and secure.
The ballast could be not getting all the power it needs to turn on.

---------- Post added at 09:54 PM ---------- Previous post was at 09:54 PM ----------

Take off your passenger ballast and try it on the drivers side, and vice versa and see if it works.


2010 Cobalt 2LT Sports Package
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2.9 pulley, 60# Injectors, Injen 2.5" intake
55 Watt 6000K Hi/Lo HID's
35 Watt 5000K Fogs
Black SS 17" Wheels
Debadged
Spyder 3" Carbon Fiber Antenna
YAKIMA ROOF RACK WITH 40" LIGHTBAR
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post #3 of 8 (permalink) Old 06-28-2013, 10:03 PM Thread Starter
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Okay, I'll give it a try! Just a question, if a ballast is wet does it not always function properly, seems like I get the issues after downpours.
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post #4 of 8 (permalink) Old 06-29-2013, 03:26 AM
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Where are you grounding? If you're not using the ground below the headlight bracket, try moving it there and see if that helps.

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post #5 of 8 (permalink) Old 06-29-2013, 09:37 PM
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Did it work?
I've never had a problem with my HIDS in the rain..


2010 Cobalt 2LT Sports Package
2.5% tint all the way round.
SUPRRAAACHARRRGGEDDD
2.9 pulley, 60# Injectors, Injen 2.5" intake
55 Watt 6000K Hi/Lo HID's
35 Watt 5000K Fogs
Black SS 17" Wheels
Debadged
Spyder 3" Carbon Fiber Antenna
YAKIMA ROOF RACK WITH 40" LIGHTBAR
2.5' ZZP DP
Full set of Black Recaros
Eibach sportlines for teh low.
Front and rear SS lips
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post #6 of 8 (permalink) Old 06-30-2013, 04:25 PM Thread Starter
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Just changed my ballasts, the one from the driverside works perfectly fine on the passenger. My driverside ballast isn't getting power, it isn't warm like the other one.

Also, opened up the main compartment of my relay harness and one of pink wires is partially discoloured where it connects into the pins. I'm assuming this is what's causing my issues.

Should I just order a new relay harness and try that?

And Jackson, I've removed all paint where my grounds are. I have both sides grounded to either fender bolts.
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post #7 of 8 (permalink) Old 06-30-2013, 05:54 PM
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You could order a new relay harness.
Id try that, and if it doesn't work, it could be something else electrical.
When you turn on your lights, do you hear a loud click?


2010 Cobalt 2LT Sports Package
2.5% tint all the way round.
SUPRRAAACHARRRGGEDDD
2.9 pulley, 60# Injectors, Injen 2.5" intake
55 Watt 6000K Hi/Lo HID's
35 Watt 5000K Fogs
Black SS 17" Wheels
Debadged
Spyder 3" Carbon Fiber Antenna
YAKIMA ROOF RACK WITH 40" LIGHTBAR
2.5' ZZP DP
Full set of Black Recaros
Eibach sportlines for teh low.
Front and rear SS lips
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post #8 of 8 (permalink) Old 06-30-2013, 05:58 PM Thread Starter
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Turns out my warning canceller was fried. Unplugged it, gave my ballast power again! All good now guys!

But, while I was doing this, I dropped a pin that holds the front grill flush to the engine compartment down into my front bumper.

Is there any possible way I can get underneath my front bumper without removing it? It's making an awful flicking noise when I drive now.
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