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Headlight not working

Tiny
CTAYLOR7278
  • MEMBER
  • 2005 LINCOLN NAVIGATOR
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 195,000 MILES
My HID headlight on passenger side is not working. I have a new bulb, I tested in driver side works fine. The ballast also works fine as I checked it on the driver side the usb cable that is the HID connector cord works fine on driver side as well. But passenger side just will not work. The passenger bunker works bright lights both work just the HID headlight will not work! Can someone help me please? I have also checked fuse box and no fuses are bad.
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Sunday, March 10th, 2019 AT 6:58 PM

11 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

The headlights are controlled by fuses. Verify power on both sides of the fuses I circled for you. If the one side works, the circuit up to this point is good.

Roy
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Monday, March 11th, 2019 AT 3:13 AM
Tiny
CTAYLOR7278
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  • 5 POSTS
Both fuses are good.
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Monday, March 11th, 2019 AT 8:52 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Do you have power on both sides?

Roy
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Monday, March 11th, 2019 AT 9:24 AM
Tiny
CTAYLOR7278
  • MEMBER
  • 5 POSTS
Both sides work on everything light wise besides my headlight. The low beam on passenger side just isn’t working.
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Monday, March 11th, 2019 AT 10:26 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
If you have power on both sides of the fuse, do you have power to the assembly from the wire in the diagram?

Roy
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Monday, March 11th, 2019 AT 10:46 AM
Tiny
BRITTNEEPROHA
  • MEMBER
  • 1 POST
  • 2004 LINCOLN NAVIGATOR
  • 120,000 MILES
I have a 2004 Lincoln Navigator with HID lights. The Driver side low beam stopped working so we bought new HID light that came with a new wire. It will Not turn on. We checked Fuse Boxes as well, they are fine. When we turn on the lights you can see the light power up and flicker and then turn immediatly back off. HELP!
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Monday, July 27th, 2020 AT 1:48 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
This is what they do when the light ballast is bad did you replace that as well? Here is a guide and some diagrams so you can test for power and go from there.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Please let us know what happens so it will help others.

Cheers, Ken
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Monday, July 27th, 2020 AT 1:48 PM (Merged)
Tiny
CTAYLOR7278
  • MEMBER
  • 5 POSTS
I have a 2005 Lincoln Navigator the my HID headlight on passenger side is not working I have a new bulb I tested in driver side works fine, the ballast also work fine as I checked it on the driver side the usb cable that is the hid Connector cord works fine on driver side as well. But passenger side just will not work the passenger blinker works bright lights both work just the hid headlight will not work! Can someone help me please. I have also checked fuse box and no fuses are bad
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Monday, July 27th, 2020 AT 1:48 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
Hello,

Can you see if you have power at fuse #23? Here is a guide to help us and the fuse location is featured in the post above:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Please run down this guide and report back.
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Monday, July 27th, 2020 AT 1:48 PM (Merged)
Tiny
CTAYLOR7278
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  • 5 POSTS
My fuse is good.
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Monday, July 27th, 2020 AT 1:48 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Does the fuse have power?
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Monday, July 27th, 2020 AT 1:48 PM (Merged)

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