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Old 09-05-2003, 01:38 PM   #1
aspenwhitewrx
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Default Help! Fog lights won't turn on after HID install

Just like the subject like says my fog lights will not turn on after I installed the HIDs. Anyone have a solution to this? Also when i turn my foglights on, the high beam light on my dash lights up. Please help me out. Thanks.
Scott
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Old 09-05-2003, 02:33 PM   #2
ATX25RS
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well there is you answer..i would check the wiring...it seams the high beam is being used to power the lamps...if this is the case the fogs understand the highs are on and therefore do not have power....i would try swithing some wires around on the lights....

flashing the high beams or pushing them has no effect?
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Old 09-05-2003, 02:50 PM   #3
aspenwhitewrx
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When I flash the high beams, the hids turn off. ... Anyone else have input?
Scott
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Old 09-05-2003, 03:44 PM   #4
ATX25RS
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Quote:
Originally posted by aspenwhitewrx
When I flash the high beams, the hids turn off. ... Anyone else have input?
Scott
yeah it sounds like your wires are crossed....
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Old 09-05-2003, 03:45 PM   #5
ATX25RS
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are the hids single bulbs or dual?....in morettes? stock lights? STi lights?...
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Old 09-05-2003, 04:30 PM   #6
aspenwhitewrx
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The new hids i put in are single bulb...meaning that they don't have high beams. I don' tnkow how i could have crossed any wires because i just used the plug that went into the low beams. It was a plug and play kit.
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Old 09-05-2003, 04:44 PM   #7
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You may be getting current feeding someplace it doesn't belong. Here's my standard suggestion for HID wiring which should solve your problem by isolating the HID's from the switched ground circuit-
Instead of the "plug and play" install you have now (a bad idea with HIDs anyway), disconnect the negative side of the ballasts from the harness and connect them directly to ground (chassis or battery negative). You can continue to use the existing common headlight power for the positive side of the ballasts although adding a relay here to power them directly from the battery is also a good idea. In fact, if you plan to use your high beams a lot I would recommend the relay since with the direct grounding the HIDs will remain on with the high beams. This will put a higher than normal current drain on the headlight power circuit.
Also another thing comes to mind-
IIRC the switching circuits for the fogs may depend on the headlight bulbs being in place and you have now removed them. You should also do a wiring mod to make the foglights operate independently of the headlights.
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Old 09-05-2003, 05:14 PM   #8
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I pulled the daytime running lights from behind the glove compartment and the fog lights seem to be fixed. Going to see if it works completely when it gets dark. Thanks guys!
Scott
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Old 09-05-2003, 06:33 PM   #9
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Oh yeah, that's the other thing I should have mentioned. If you install HIDs you must disconnect the DRL module.
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Old 09-06-2003, 12:00 AM   #10
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Hi Guys,
Update on the HIDs. I pulled the daytime running lights and I thought that did the trick, but i was wrong. After i pulled the daytime running lights, now I can turn the fog lights on by pressing the fog light button, but the high beam sign still shows up on my dash. Next, I can only turn the fog lights on once. Meaning that while the car is on, I can only hit the on button once to keep them on. If i hit them off and then back on, they won't be on. Is there any way to disable high beams? Maybe that would solve the problem?


Scott
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Old 09-06-2003, 01:07 AM   #11
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Quote:
Originally posted by aspenwhitewrx
I pulled the daytime running lights from behind the glove compartment and the fog lights seem to be fixed. Going to see if it works completely when it gets dark. Thanks guys!
Scott
is it fixed? i have the EXACT same problem as you, aspenwhite.

mulder, i thought disabling the DRL was so you wouldn't burn the HID bulbs out as quick. is there a technical reason for disabling DRL's besides saving bulbs?

db
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Old 09-06-2003, 01:58 AM   #12
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Its not permanently fixed. The reason I disabled them is so that I wouldn't blind people during the day. Still looking for a solution...
Scott
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Old 09-06-2003, 02:06 AM   #13
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okay, i did some searching on the forum and copied & paste someone's solution to our problem.

original poster, PLEASE EXCUSE ME since i failed to jot down your name/username...my apologies.

------------------------------------------------------------------------------------
OK, I suppose I should tell how I got the HID lights to work perfectly without a relay kit. It really is pretty simple.

To get the HID lights to work in High & Low positions all one needs to do is to add a diode to the grounding wire to the ballast input. It only has to be added to ONE side and connected to the high beam plug, as the ground will then flow through the diode, and to the other headlight through the existing wiring. One MUST be sure to not ground the ballast - if you do the headlights will always be on. I also recommend disconnecting the DRL resistor to allow full control of the headlights.

Then to fix the dim "High Beam" indicator when the fogs are on, one modifies the foglights to work without the headlights. This is very easy - it just requires cutting the red/green wire that powers the fog relay and connecting it to power - I used the blue power wire for the seat heater. These wires are under the steering wheel and easily accesible behind the relays without any hassle. It's a very low current wire so a "vampire tap" is more than sufficient to make the connection.

Lastly, to get the Fog light switch to have a bright light, again a simple cut and splice to power is needed. At the fog light switch, you cut the Reg/Green wire again, and tap into power - I used the power for the cruise control light - it's the green/black one and again as this is a small current light a vampire tap works.

Result is HID lights now work in both positions (and in flash beam mode too) and the Fog lights will run independently of the headlight system, and still shut down when the key is removed. So one can use the fogs for DRL or rain lights without the HID beams - or with them as desired.

All done with only one added diode (use a 20 amp, 100 volt diode) and two vampire splices. And actually it'll work fine with standard bulbs the way I did it, the only real change will be that the fogs are now independant.

Of course this took me a few hours with the wiring diagrams, a meter and some testing to discover. Particularily that the ballasts for the HID lights HAVE to be electronically isolated from the chassis. Which can be done by using screws and transistor mounting washers (TO-3 type) as one method.

And we still NEED an electronics forum!!
------------------------------------------------------------------------------------

i will try his suggestion soon. let me know if this works for you, aspenwhite.

db
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Old 09-07-2003, 01:08 PM   #14
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Did you try the wiring yet? Do you know what a vampire clip looks like?
Scott
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Old 09-08-2003, 10:45 PM   #15
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no, i haven't tried this yet. i will probably get around to it this next weekend...will definitely keep you posted on what i find.

maybe he was referring to T-taps when he said vampire clips?

db
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Old 09-27-2003, 12:31 AM   #16
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ok
I have to bump this topic

my prestory is similar - when turn fogs with low beam = dim high beam indicator is on
when try to flash high beam from low with fogs on, low beam doesn't come back

so
I pulled out the DRL module, long time ago, and was messing with wiring last night
I wired fogs to power so I can turn them on anytime (used first lighter power wire, then radio....blew both fuses )
and funny thing besides blown fuses happened then

fogs go on anytime I want, but one time high beam turned on with them, then I couldn't disengage high beam (it came on instead of low) with or without fogs on

any ideas?
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Old 03-04-2004, 03:52 AM   #17
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so when i tap the blue line for power, how does it attach to the red green wire? does it attach right behind the switch and i cap off the end going to the relay? or is it the other way around?

also, do we even have a seat heater power line under there?
i can probably use my boost gauge power line.
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Old 03-30-2004, 01:48 AM   #18
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okay,

i used mulder's advice and grounded the hid kit to the chassis, did the fog light switch mod that doughboy suggested, & disabled the drl under the glove box.

and it worked!!!!

i must thank you guys for all the information because i was about to tear the cluster out and remove the hibeam indicator bulb.

edit: didn't want the hid's on with the hi beam selected. didn't make sense since they are low beam only.
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