2002 Lexus LS 430 Headlights

LUISFR

MEMBER
2002 LEXUS LS 430
V8
2WD
AUTOMATIC
61,000 MILES

The passenger side headlight does not operate consistently. At times when you turn the car on the headligh works but goes off while driving. Other times the headlight does not go on at all. I would like to know if this is an electrical short, before I go and buy the very expensive bulb and or ballast. How can I check for the electrial short and how can I check the bulb and ballast?

Thanks in advance for your help.

2 Replies

DOCFIXIT

MECHANIC
18,828 POSTS

Hi luisfr
I doubt it is a short more likely the filimant in bulb.
Remove bulb is connector on tight? Then look closely at filimant and gently tap with a pencile does it vibrate and seperate? If so new bulb. This can also be done with light on. When it works then you drive vibration will cause filimant to seperate and can all so cause it to connect. The source of the erradict operation.
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Monday, September 8th, 2008 AT 2:01 PM

NYC.ECHO.LEXUS.TECH

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Then look closely at filimant and gently tap with a pencile does it vibrate and seperate? If so new bulb. This can also be done with light on < I DOUBT YOU WANT TO DO THAT
LOL ITS A HIGH DISCHARGE SYSTEM ABOUT 20K VOLTS IN THAT LITTLE BULB TEST YOU WANT TO DO
MAY WANT TO TAKE THIS TO TECH WHO KNOWS ABOUT THESE LEXUS VEHICLES
AND PLEASE STAY AWAY FROM THE HIGH DISCHARGE BULBS

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Saturday, January 17th, 2009 AT 6:45 PM