Question about 2004 Acura TL

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Replacing HID headlight in 2004 Acura TL

The driver side headlight on my 2004 Acura TL is strobing and going off and on intermittently. My husband ordered a new bulb thinking it would be no problem to replace. He started to do it and discovered it might be out of his realm of knowledge. Short of driving 100 miles to the dealer can not find anyone here with the knowledge to replace the HID bulb. How hard can it be? Any suggestions on how to DIY?

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  • jf221 Feb 13, 2009

    Thank you very much for your very helpful explanation. I will show this to my husband and maybe he can try this after all. We were just told by the Acura dealer that it could possibly run anywhere from $800 to $1000 due to two other electrical things in there that might have to be replaced also. I've enjoyed my TL; but, I'm not sure it's worth owning a vehicle that can not be repaired locally. Thanks again JPStuhr!

  • Andrew62362 Mar 13, 2009

    This is good, but how do you get at the assembly (hidden up behind everything where hands barely fit)? Is there a trick so you can actually see what you are doing??

  • pkamb Mar 21, 2009

    Thanks so much for this help! The instructions made this task very, very simple. I replaced my HID lamp on my Acura TL 2002 in about 30 minutes, and I probably saved myself about $250 by doing it myself (I picked up replacement HID lights for $75/pair on Ebay).

    It is probably safer to unplug the battery, but I skipped those steps and was just careful to have the lights off and fully discharged, and wearing clean latex gloves for handling the bulb, of course.

  • digilla Apr 09, 2009

    My passenger-side low beam headlight is strobing (flickering) dimly. When I turn on the high beams, the low beam turns off completely, and the high beam does not come on at all. This makes me think that the problem is related to more than just the low beam bulb. The car is a 2003 Acura CL.

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HID Bulb Replacement

A transient high tension (25,000 V ) occurs at the bulb sockets of the high intensity discharge (HID) lamps when the combination light switch is turned ON, it may cause serious electrical shock or electrocution if you do not observe the cautions below.

CAUTION:

  • Never turn on the combination light switch before fitting the HID bulbs to their bulb sockets and completing the reassembly of the headlight assembly.
  • Do not service the headlights assembly in wet conditions, such as rain or snow, near a sprinkler system, or when your hands are wet to prevent electrocution.
  • Do not touch the surface of the HID bulbs with your bare hands and do not stain it with any oils and fats.
  • Do not disassemble the inverter unit and the ignitor unit.
  • Do not turn on the HID bulb by using a power source other than the battery mounted on your vehicle.
  1. Make sure you have the anti-theft codes for the radio and the navigation system, then write down the XM radio channel preset. Make sure the ignition switch is OFF.
  2. Turn the combination light switch OFF.
  3. Disconnect the battery negative cable, then disconnect the positive cable.
  4. Remove the headlight assembly.
Replacing HID headlight in 2004 Acura TL - 37a2a12.jpg
  1. Remove the Torx bolt using a Torx T20 bit.
  2. Turn the cover (A) 45 ° counterclockwise to remove it from the headlight assembly.
71b91a6.jpg
  1. Turn the socket (A) 45 ° counterclockwise to remove it from the bulb (B).
  2. Pull the retaining spring (C) away from the bulb then remove the bulb.
  3. Make sure the bulb harness (D) is routed correctly so it does not contact the reflector (E).
  4. Install the new bulb in the reverse order of removal. Make sure the notches in the bulb align with the tabs in the headlight.
  5. After reconnecting the battery, enter the anti-theft codes for the radio and the navigation system, then enter the customer's XM radio channel presets.

Posted on Feb 13, 2009

  • jpstuhr
    jpstuhr Feb 13, 2009

    No problem!

    Best of luck to you!

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Well iam changing the HID headlight on the passenger side on a 2004 acura TL, now iam stuck, how do i take it out.


thanks chano,

Posted on Jun 10, 2010

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