Question about 2003 Cadillac Seville

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2003 Seville STS low beam headlights don't work

Both low beam headlights don't work but brights do. Have replaced 'relay' switch in fuse box under hood (engine compartment) but that didn't fix problem. Are there other fuses to be replaced or do I need to address bulbs in headlights?

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  • retiredgal50 Jan 29, 2009

    No, was advised to replace relay switch as first option. Bulbs are next. Any hints on how to do this as I have not tried to access bulb area yet?

  • retiredgal50 Jan 29, 2009

    Thank you for the responses! One more question though...is it usual for both sides to blow out at the same time? I thought that was not likely...thus replaced the relay first. But I will definitely check the bulbs next. Thanks!

  • retiredgal50 Jan 30, 2009

    In the end I am going to order new low beam HID lamps via internet and try those. Fuses were fine. Kid at parts store thinks the gas is going low in HID and so will try that as last resort. I did learn that the small bluish colored little round bulbs next to the 'headlights' are actually the low beam lights. They work...always have, but are so dim that there's essentially no 'dim lights' visible at night. Hence I'll try ordering replacement ones. Thank you for all of your help and suggestions. Wouldn't have know where to start without it.

  • robert kious May 11, 2010

    have you removed and inspected the bulbs ? they may both be toast

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Ya its is prolly the bulbs, open your hood. look behind your headlamps, some have covers for the low beam and high beam. if there are covers turn on your high beams so you will know which bulb is your lowbeam. if you can unplug them. after cover is removed and you can acces the bulbs. they either twist out, lefty lossey. or they have little metal retainers that you have to move a certian way before you can swing the retainer out. its like a door you just have to unhook the proper side of retainer and the other side will be hinged. use a flash light and look at it close. good luck

Posted on Jan 29, 2009

  • robert kious Jan 29, 2009

    no its not normal, though i have seen it. and i admit i went a differnt direction also.

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