Possible reason for the fog lamp failures..... - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-25-2010, 10:05 PM   #11
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Default switching to HIDs

I have had bunch of trouble with the headlights and am now looking into the fog lights.

I really like the solder idea. I have not checked my lights yet for filament or wire issues but ... they are both out with in 6 months of purchase at dealer (who probably put new ones in to sell it).

4 questions ...

the TSB (is that what it is called?) mentions the "housing" or just wiring in the unit or wiring on the bulb?

if this is replaced does the problem seem to go away?

and if I decide to go with the HIDs, I assume it is not just a bulb replacement but a conversion with some sort of relay system?

I did price the new bulbs at dealer (has to special order them) and they are steep. Is there a general replacement that works (05 gxp)?

thanx all.
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Old 05-25-2010, 10:27 PM   #12
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you can buy them online or any parts store napa, canadian tire, part source, heck even walmart might have them lol

look for H3 bulbs, they are dirt cheap online

want no headache? throw HIDs in
no real conversion
HID systems consist of 2 things, bulbs and ballast (more like a transformer)
bulbs are almost the same, you will need to mount the ballast somewhere with a zip tie or something similar
installing is easy on most cars, little complicated on the GXP foglights since they are hard to reach, but sure can be done if you have a 10mm socket and maybe half hour spare time
nice thing about HIDs you can choose the colour you want from purple to pink to dark blue to light blue to whitish blue to pure white to white with yellow tint then to OEM yellow then deeep yellow

i have 5000K in mine, supposed to be pure white

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the one in my sig is an older pics its whitish blue

if you need any more help regarding HIDs please let me know
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Old 05-25-2010, 10:33 PM   #13
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that sounds a little better than i expected.

i think the dealer wanted like 29 per bulb.
if they are going to blow, i would like to get cheap ones until maybe HIDs.
the bonne book doesn't even tell you the bulb number tho.

thanx.
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Old 05-25-2010, 10:36 PM   #14
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yeah i had the same problem when i changed mine into HIDs, i had to take them apart before i ordered them lol

29 a bulb? well thats almost 60 for the pair you can buy yourself a HID kit online for that price maybe a little less, check ebay
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Old 05-29-2010, 03:12 AM   #15
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wow, I got the 100watt H3 blub from ebay for $3 shipped from china!! I still have a brand new set of 100Watt H3 bulbs in the box if anyone wants them PM me... As I have HID'* now and just ordered some for the 03 GP and 01 Intrepid...
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Old 05-29-2010, 10:13 PM   #16
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The TSB is for the lower fog light harness. The grounding problem is never mentioned. We here just noticed alot of them were'nt tightened well from the factory.
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Old 05-29-2010, 11:53 PM   #17
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id say its something to do with the bulb and how small the housing is, i mean the projector itself it damn tiny inside there

so it could be causing the bulb or the entire housing to over heat who knows...

but today its been a year and 2 months since i installed my HIDs in the fogs, and going long going strong
i changed the bulbs to 5000K instead of 8000K, looks really nice
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Old 06-22-2010, 01:53 AM   #18
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How do you install the HID'*??

I've tried taking the headlight out and going down there but no luck, I can't see what I'm grabbing.

Any ideas?
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Old 06-22-2010, 11:52 AM   #19
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Here'* the link to replacement in Tech Info. The inner fender removal option would be better for that. https://www.gmforum.com/bonneville-gxp-northstar-powered-cars-107/replacing-gxp-fog-lamps-281731/

Just switching to the 100 watt H3 makes an amazing difference. You might want to check it out first.
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