How to tell if headlight bulb needs replaced, or its something else?

Thread Tools
 
Search this Thread
 
Old 12-04-2017, 03:11 PM
  #1  
Intermediate
Thread Starter
 
150mph's Avatar
 
Join Date: Nov 2012
Posts: 32
Received 0 Likes on 0 Posts
How to tell if headlight bulb needs replaced, or its something else?

The drivers side low beam headlight started dropping out intermittently now is completely out, but works ok when the high beams are on. An aftermarket replacement bulb goes for around $100 and dealers want about $146 for it. (It's #9 on this microfiche diagram: https://www.acuraoemparts.com/auto-p...headlight-scat).

Holy @#$! I'm on a budget and don't want to spend that much just to experiment when maybe there's a fuse problem or a short. Also, I'd like to replace both left & right bulbs at the same time if its the bulb.

Does this sound like a bulb replacement is the fix?
Old 12-04-2017, 05:40 PM
  #2  
Cruisin'
 
EZBZ's Avatar
 
Join Date: Dec 2016
Age: 49
Posts: 16
Likes: 0
Received 2 Likes on 2 Posts
Could be the bulb, but it's probably not. When bulbs go out, they usually work until they don't. They don't work intermittently and slowly die. In your case, considering the symptoms, it's probably the ballast. Unfortunately, a new ballast is even more expensive than the bulb.
The following users liked this post:
150mph (12-05-2017)
Old 12-04-2017, 07:46 PM
  #3  
3.5 psi
iTrader: (1)
 
gnuts's Avatar
 
Join Date: Sep 2007
Location: Canada
Age: 42
Posts: 4,487
Received 798 Likes on 636 Posts
You need to swap bulbs from the other headlight. If the same problem happens on the same side your ballast is bad (inverter #13 on that diagram). But don't buy OEM they're $$. Search here, there's a thread on aftermarket replacements.
The following users liked this post:
150mph (12-05-2017)
Old 12-04-2017, 11:12 PM
  #4  
Drifting
 
01acls's Avatar
 
Join Date: Mar 2015
Location: NorCal
Posts: 2,824
Received 481 Likes on 422 Posts
Kensun HID

Bulbs $23

HID conversation kit $54, 2 yr warranty.

However, I would prefer OEM HID Inverter. Even if it's used.
The following users liked this post:
150mph (12-05-2017)
Old 12-05-2017, 09:38 AM
  #5  
Cruisin'
 
EZBZ's Avatar
 
Join Date: Dec 2016
Age: 49
Posts: 16
Likes: 0
Received 2 Likes on 2 Posts
The aftermarket solutions are definitely cheaper than buying a new OEM replacement for your ballast, but it does involve some mod work so depending on how much work you wanna do, it may or may not be worth it.

I replaced my ballast recently with a used OEM one that I bought from a guy for $60 on the black market section of this site. It works flawlessly. I would probably go that route before messing with a potentially dodgy universal aftermarket solution.
The following users liked this post:
150mph (12-05-2017)
Old 12-05-2017, 12:19 PM
  #6  
Intermediate
Thread Starter
 
150mph's Avatar
 
Join Date: Nov 2012
Posts: 32
Received 0 Likes on 0 Posts
thanks all, for your replies
Old 12-08-2017, 11:46 PM
  #7  
Blown is Best
 
Allout's Avatar
 
Join Date: Jun 2002
Location: Fresno, CA
Age: 63
Posts: 4,437
Received 15 Likes on 14 Posts
What are the signs of a failing inverter? Do they start to flicker?
Old 12-09-2017, 08:07 AM
  #8  
3.5 psi
iTrader: (1)
 
gnuts's Avatar
 
Join Date: Sep 2007
Location: Canada
Age: 42
Posts: 4,487
Received 798 Likes on 636 Posts
Ya mine would flicker, also I had to turn the lights on and off a bunch of times for them to stay on.
The following users liked this post:
Allout (12-11-2017)
Old 10-13-2018, 02:33 AM
  #9  
Cruisin'
 
Johnboy001's Avatar
 
Join Date: Jul 2018
Location: Texas
Age: 43
Posts: 16
Likes: 0
Received 0 Likes on 0 Posts
Ballast location.

If you don’t know where the ballasts are then here’s how you get to them.

Yes.. you have to take the whole front bumper skin off and te trim piece that’s on top of the core support and the lower u see skirting under the car. Then you can get to the bolts that hold the headlights on and the ballasts are under each headlight housing. The reason they go out is because of condensation gets in the circuitry then it drips off the headlight housing and into the rubber insulation once it gets old and starts to crack apart. It’s so much easier to replace it with an oem part that it is to install a $60 kit from amazon. But in the long run, the replacement bulbs are cheaper and you can mount the new controllers up and out of the way so water doesn’t get in them as easily as the oem ones do. I’ve looked this up so you can use this little nugget of info to help you get the right lights. 6000k is as bright as you’ll get, anything higher, like 8000k or 10,000k lights only change the color of the light but doesn’t get any brighter. A good one to get is either 5000 or 6000k. I have the 6000k on my 01 and I like them but it doesn’t really show the road all that much as I thought they would. So hope that helps.
Old 02-06-2019, 09:52 PM
  #10  
4th Gear
 
brave_ulysses's Avatar
 
Join Date: Feb 2018
Location: far outside the wire
Posts: 4
Likes: 0
Received 0 Likes on 0 Posts
over the weekend, replaced driver+passenger low beams + ballasts with this

Innovited AC 35W HID Xenon Conversion Kit - D2S D2R D2C - 5000K
around 45 bucks on amazon

working ok after 2 days

should have done a more thorough seal on the bottom opening




All times are GMT -5. The time now is 12:56 AM.