2006 Pontiac Grand Prix Headlamp Assembly Issues

Tiny
DRE MAN
  • MEMBER
  • 2006 PONTIAC GRAND PRIX
  • 90,000 MILES
Just replaced both headlamp assembly because the passenger side cover was cracked and both looked old. I ordered them from TKO Auto Parts through Amazon. http://www.tkoautoparts.com/search/detail/itemid/1221-0104L and http://www.tkoautoparts.com/search/detail/itemid/1221-0104L They came as a pair. Installation was smooth and I disconnected the battery just in case while I installed them. After installation I tested the headlights, high beams, parking lights, and tail lights. Everything worked fine. The next night I was out I turned off my headlights while driving to do something while the car was running and in drive. I tried turning them back on and they would not come on. All other lights still worked including high beams. The car recognized that I had them on but they were still not working. I messed around for 5min turning them on and off with different combinations of high beams on and off and finally they turned back on. Now days later they are acting up again. Sometimes when I start the car they come on like they should. (This is with the switch set to auto). I figured the headlights that came with the headlamp assembly were just junk so I replaced them with Sylvania 9005SU SilverStar Ultra High Performance Halogen Headlights, Pack of 2 Bulbs. Same issue is coming up. I'm thinking its fuse related or perhaps some wire in the steering column. Any help would be appreciated.

Car experience : very limited
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Saturday, November 26th, 2011 AT 4:38 PM

6 Replies

Tiny
HMAC300
  • EXPERT
Check your fuses in the underhood box, there is one for low beam and one for high. Check your relay and it's connections. Also make sure your headlight ground is clean, it's by the headlight and a black wire.
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Sunday, November 27th, 2011 AT 12:23 AM
Tiny
DRE MAN
  • MEMBER
Thanks for the reply. I'll have to check it in the morning. Most people have been suggesting that its the ground. Is there separate grounds for each headlight?
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Sunday, November 27th, 2011 AT 12:42 AM
Tiny
HMAC300
  • EXPERT
One is near the left headlamp and the other is at athe base of the battery. Make sure power is going through pins as well that connect to the headlamp and if you have any dielectric compound put that on headlight connector before hooking up.
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Sunday, November 27th, 2011 AT 12:47 AM
Tiny
DRE MAN
  • MEMBER
I'm guessing you do all of that with a test light? I have never used one before. I'm thinking about just taking it to a shop and hopefully they can fix it for a low price because most of that was over my head =) Thanks for the help though.
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Sunday, November 27th, 2011 AT 1:14 AM
Tiny
HMAC300
  • EXPERT
Actuallly for the ground you can clean that your self. A little sand paper to get rustor crap off of it or wire brush. Teh other you wold need a test light or vom
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Sunday, November 27th, 2011 AT 1:25 AM
Tiny
DRE MAN
  • MEMBER
I guess I'll mess around with it tom and when I get frustrated with it I'll go to the shop. Thanks again for all your help! Fingers crossed.
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Sunday, November 27th, 2011 AT 1:46 AM

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