Question about 2004 Lincoln Navigator

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2004 Lincoln Navigator low beam headlight went out so I changed the bulb and fuse but it still does not work.

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If you have the HID bulbs check with an Autoparts store like Autozone. I believe the right and left headlights have separate Relays in the Powerbox. It is possible that there are 2 low beam and 2 high beam relays total. They pull too much power for both sides to be wired together and may wire the high beams separate too!

Posted on Feb 09, 2011

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May be its the case of bad wiring at the rear of headlight on ur navigator.

Posted on Feb 12, 2011

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I found this problem on my 2004 Aviator! Page 241 in owners manual, Auxiliary relay box, under speed control on right passenger side inner fender, 1 and 2 for right or left low beam HID, I switched them around and transferred problem to opposite side. On the way to the parts store now. Weird thing was, it showed 12vdc at connecter when not under load so don't believe your voltmeter.

Posted on Mar 17, 2015

  • Chris Phillips Apr 03, 2019

    I don't have owners manual

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The consensus seems to be that usually the problem is with the ballast. The general diagnostic routine is 1. Check the fuses. There is actually one fuse for each side. 2. Check the bulb by switching sides with them. 3. Check the ballast by switching sides with them. 4. If you've gotten this far, you're probably unlucky enough that your problem is in the wiring harness.

Posted on Mar 09, 2015

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Posted on Jan 02, 2017

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2 Answers

Head light have low but when using high does not work just on one side drivers side


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Dec 20, 2015 | 2004 Nissan Sentra

1 Answer

My 2004 lincoln navigator low beam hid headlight will not come on. I replaced the hid bulb and replaced the fuses and it still will not come on


it is your hid ballast located under the headlight itself you can get one on ebay under a hundred bucks

Jun 28, 2010 | 2003 Lincoln Navigator

3 Answers

New HID low beam bulb in my 04 Navigator


Sounds like the ballast similiar to the ones in flourescent lighting may have gone bad and that is why the bulb is not lighting up.

May 19, 2010 | 2004 Lincoln Navigator

1 Answer

2004 Aviator Low beam light out


Yes you should be able to do it yourself. Just go to your local parts store and give them the necessary info for your vehicle. They should have the bulb you need in stock, but if not they can order it and usually have it the next day. If you ask them nicely they might even install the bulb for you. Sometimes the access hole to the side of your radiator might be a tight fit.

Aug 04, 2009 | 2004 Lincoln Navigator

1 Answer

Passenger headlight don't work 2003 lincoln navagator


high beam or low beam? or both of them on one side.

  • One low beam headlamp is inoperative
  • Central junction box (CJB) fuse 23 (10A) (RH headlamp).
  • CJB fuse 25 (10A) (LH headlamp).
  • Circuitry.
  • CJB.
  • Go To Pinpoint Test C .


  • One high beam headlamp is inoperative
  • Circuitry.
  • Headlamp assembly.
  • Go To Pinpoint Test D .

  • The high and low beam headlamp is inoperative on one side
  • Circuitry.
  • REPAIR ground circuit 57 (BK).


  • Headlamp switch
  • Multifunction switch
  • Vehicle Security Module
  • Central junction box (CJB) fuse(s):
    • 17 (15A)
    • 23 (10A)
    • 25 (10A)
    • 35 (20A)
    • 40 (20A)
  • Circuitry
  • Headlamp bulbs
  • Daytime running lamp (DRL) relay



Apr 19, 2009 | 2003 Lincoln Navigator

1 Answer

2004 Lincoln Navigator Low Beam Bulb replacement


your owner manual will list the bulb. It is expensive. tascafordparts.com for discount from Ford Dealer

here's 2003, don't have 2004

Navigator high intensity discharge (HID) headlamp
  1. Remove the front radiator air deflector.
  1. Remove the three bolts and the headlamp assembly.
    • Disconnect the electrical connectors.
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8. Remove the headlamp bulb protective cover(s).
  • Remove the HID lamp cover.
  • Remove the high beam cover.
  • Disconnect the electrical connector and push the grommet into the headlamp assembly.
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  1. Release the spring tabs and remove the HID low beam bulb.
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Apr 11, 2009 | 2004 Lincoln Navigator

1 Answer

Replace low beam headlamp, passenger side, 2004 Navigator


Remove the front radiator air deflector.
Remove the three bolts and the headlamp assembly.
    • Disconnect the electrical connectors.
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Remove the headlamp bulb protective cover.
1 Low beam cover. 2 High beam cover.

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Feb 13, 2009 | 2003 Lincoln Navigator

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