Jump to content

Custom Search




Welcome to the C-MAX Hybrid Forum


Sign In  Log in with Facebook

Create Account
Welcome to the C-MAX Hybrid Forum. You must register to create topics or post in our community, but don't worry this is a simple free process that requires minimal information for you to signup. Here's some member benefits:
  • Start new topics and reply to others
  • Subscribe to topics and forums to get email updates
  • Get your own profile page and make new friends
  • Send personal messages to other members
  • Create photo albums and post images. . .more!
Click here to create an account now
 
Guest Message by DevFuse

Get you C-MAX Hybrid Registered in the official Ford Authorized Registry. More here.


Photo
- - - - -

Headlights voltage


  • Please log in to reply
17 replies to this topic

#1 OFFLINE   dmk2000

dmk2000

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 66 posts
  • Region:Decline
  • LocationNew Jersey
  • My C-MAX's Year:2013
  • Current Vehicle:Lexus GS 350 AWD

Posted 02 December 2014 - 11:52 AM

Hello everyone.

This Thanksgiving weekend I was trying to improve 2013 Cmax SEL headlights output power.

I got HID kit and was installing it. What I noticed is a very strange thing. After installing these lights ( low beam H11) when car in Accessories (ACC) state they work beautifully.  However when car in a drive ready state, these lights do not work. After trouble shooting this issue I have noticed interesting thing. When car in ACC mode, the voltage on lights is 12.5 V. However, when car in Drive mode, I only getting 8.6 V. Is it normal?

Can anyone confirm this.

Thank you.









Lose this advertisement by becoming a member. Click here to create a free account.


#2 OFFLINE   SPL Tech

SPL Tech

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 286 posts
  • Region:Decline
  • Locationhome
  • My C-MAX's Year:Decline
  • Current Vehicle:c-max 2013 SL

Posted 03 December 2014 - 03:59 AM

Try replacing one of the bulbs back with the OEM bulb so you can make sure the headlights are actually on. Also, this car does not have DRL, so if you dont turn the lights on they wont be on.


Edited by SPL Tech, 03 December 2014 - 04:00 AM.


#3 OFFLINE   dmk2000

dmk2000

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 66 posts
  • Region:Decline
  • LocationNew Jersey
  • My C-MAX's Year:2013
  • Current Vehicle:Lexus GS 350 AWD

Posted 03 December 2014 - 08:33 AM

I did that. OEM light is on and HID is off. It is a voltage thing. For HID to work, ballast must have minimal voltage supplied to it. If voltage is too low, no arch will be produced to create plasma in HID light to work. I wonder if someone had a reading on operating voltage of headlights during ready to drive mode of the car.



#4 OFFLINE   Plus 3 Golfer

Plus 3 Golfer

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 1,901 posts
  • Region:Decline
  • Location"Valley of the Sun" - AZ
  • My C-MAX's Year:2013
  • Current Vehicle:2013

Posted 03 December 2014 - 10:38 AM

So, are you saying that you get 8.6 V in ready to drive mode with the OEM bulb and everything is fine?  Or do you get a higher voltage?  The BCM controls the voltage to the low beam bulb but not the high beam bulb.  The BCM may be detecting a high start up current with the HID and cutting voltage.   You may need an interposing relay that supplies the HID 12 V directly from the battery and not through the Body Control Module.  


  • Smiling Jack likes this

#5 OFFLINE   Smiling Jack

Smiling Jack

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 268 posts
  • Region:Decline
  • LocationTexas
  • Current Vehicle:c-max energialso

Posted 03 December 2014 - 11:48 AM

So, are you saying that you get 8.6 V in ready to drive mode with the OEM bulb and everything is fine?  Or do you get a higher voltage?  The BCM controls the voltage to the low beam bulb but not the high beam bulb.  The BCM may be detecting a high start up current with the HID and cutting voltage.   You may need an interposing relay that supplies the HID 12 V directly from the battery and not through the Body Control Module.  

 

To these good questions, I would add one that is easy to answer:

 

What is the voltage in the present configuration when "ready to drive" with the headlights off?


Edited by Smiling Jack, 03 December 2014 - 11:49 AM.


#6 OFFLINE   dmk2000

dmk2000

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 66 posts
  • Region:Decline
  • LocationNew Jersey
  • My C-MAX's Year:2013
  • Current Vehicle:Lexus GS 350 AWD

Posted 03 December 2014 - 12:23 PM

So, are you saying that you get 8.6 V in ready to drive mode with the OEM bulb and everything is fine?  Or do you get a higher voltage?  The BCM controls the voltage to the low beam bulb but not the high beam bulb.  The BCM may be detecting a high start up current with the HID and cutting voltage.   You may need an interposing relay that supplies the HID 12 V directly from the battery and not through the Body Control Module.  

Interesting theory.

I can tell you when I had one bulb OEM and other bulb HID, OEM worked but HID did not. HID voltage was 8.6. I could not test voltage on OEM bulb at the same time as it was connected and on. That said, does BCM also controls low beam lights voltage when car in ACC mode because in ACC mode, HID works perfectly.



#7 OFFLINE   dmk2000

dmk2000

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 66 posts
  • Region:Decline
  • LocationNew Jersey
  • My C-MAX's Year:2013
  • Current Vehicle:Lexus GS 350 AWD

Posted 03 December 2014 - 12:29 PM

To these good questions, I would add one that is easy to answer:

 

What is the voltage in the present configuration when "ready to drive" with the headlights off?

 

With lights switch in off position voltage would be 0 on low beam lights.  

System voltage is 13.6 V.



#8 OFFLINE   kostby

kostby

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 565 posts
  • Region:U.S. Great Lakes
  • LocationIndiana
  • My C-MAX's Year:2013
  • Current Vehicle:C-MAX Hybrid SE

Posted 03 December 2014 - 02:27 PM

Is your car equipped with the DRL (Daytime Running Lamp) option?

 

If it is, it should be listed as a separate item on the Monroney window sticker.

(Paste in your VIN in place of the one shown) http://services.ford...ADP5BU3DL538695

 

On my other car with DRL (2003 Pontiac Vibe), it uses a lower voltage to the low-beam headlights when the DRL is active, then switches to the 'full nighttime' voltage when the DRL module on the dash detects sufficient darkness (including garages, tunnels, and very dark clouds!) 



#9 OFFLINE   Smiling Jack

Smiling Jack

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 268 posts
  • Region:Decline
  • LocationTexas
  • Current Vehicle:c-max energialso

Posted 03 December 2014 - 03:51 PM

With lights switch in off position voltage would be 0 on low beam lights.  

System voltage is 13.6 V.

 

I think that pretty much establishes that it is something in the headlight system (presumably with the new setup) that is dragging the voltage down.



#10 OFFLINE   dmk2000

dmk2000

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 66 posts
  • Region:Decline
  • LocationNew Jersey
  • My C-MAX's Year:2013
  • Current Vehicle:Lexus GS 350 AWD

Posted 03 December 2014 - 05:29 PM

Is your car equipped with the DRL (Daytime Running Lamp) option?

 

If it is, it should be listed as a separate item on the Monroney window sticker.

(Paste in your VIN in place of the one shown) http://services.ford...ADP5BU3DL538695

 

On my other car with DRL (2003 Pontiac Vibe), it uses a lower voltage to the low-beam headlights when the DRL is active, then switches to the 'full nighttime' voltage when the DRL module on the dash detects sufficient darkness (including garages, tunnels, and very dark clouds!) 

Thanks for a reply. It does not have DRL as an option.



#11 OFFLINE   Adrian_L

Adrian_L

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 685 posts
  • Region:Canada British Columbia
  • LocationVancouver, BC
  • My C-MAX's Year:2013
  • Current Vehicle:2013 SEL

Posted 03 December 2014 - 06:36 PM

Intriguing.  I'd be inclined to go with golfer's suggestion:  a 10 gauge wire from the HID to the battery with a standard 12v relay which is energized by the existing headlight wire.



#12 OFFLINE   dmk2000

dmk2000

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 66 posts
  • Region:Decline
  • LocationNew Jersey
  • My C-MAX's Year:2013
  • Current Vehicle:Lexus GS 350 AWD

Posted 04 December 2014 - 08:04 AM

Intriguing.  I'd be inclined to go with golfer's suggestion:  a 10 gauge wire from the HID to the battery with a standard 12v relay which is energized by the existing headlight wire.

That is what I am thinking as well. The problem I am afraid would be trying to explain Ford technician, why this car has an additional wire harness. Also due to my car been having 3 dead battery issues, I am afraid they will void warranty. At this point I am not changing light bulbs, and will keep OEM setup as is. That said, I will make an appointment with a dealer ( time permitted) to let them check this issue. The reason I want to go with HID, is not to be cool, but to actually improve low beam headlights performance. OEM's are too dull for me to feel comfortable. 


Edited by dmk2000, 04 December 2014 - 08:05 AM.


#13 OFFLINE   fbov

fbov

    C-Max Hybrid Member

  • C-MAX Hybrid Platinum Member
  • 1,397 posts
  • Region:U.S. Northeast
  • LocationRochester, NY
  • My C-MAX's Year:2013
  • Current Vehicle:C-Max Hybrid

Posted 04 December 2014 - 10:52 AM

The reason I want to go with HID, is... OEM's are too dull for me to feel comfortable. 

As the driver of an oncoming vehicle, I'm extremely glad that the HID conversion did not work, and you retained the warmer, low-scatter, less-blinding OEM lights. Please consider that your retrofit does little more than shift your discomfort to oncoming traffic.

 

You will also find that in marginal light situations, like fog or snow, when visibility really matters, HID lights will reduce your ability to see the road. The C-Max has excellent visibility, as designed, but you can fix that...

 

The reasons involve color temperature, light scatter and human visual response, plus looking at night diving as a system, rather than individual components.

 

Have fun,

Frank



#14 OFFLINE   dmk2000

dmk2000

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 66 posts
  • Region:Decline
  • LocationNew Jersey
  • My C-MAX's Year:2013
  • Current Vehicle:Lexus GS 350 AWD

Posted 04 December 2014 - 01:42 PM

As the driver of an oncoming vehicle, I'm extremely glad that the HID conversion did not work, and you retained the warmer, low-scatter, less-blinding OEM lights. Please consider that your retrofit does little more than shift your discomfort to oncoming traffic.

 

You will also find that in marginal light situations, like fog or snow, when visibility really matters, HID lights will reduce your ability to see the road. The C-Max has excellent visibility, as designed, but you can fix that...

 

The reasons involve color temperature, light scatter and human visual response, plus looking at night diving as a system, rather than individual components.

 

Have fun,

Frank

Frank.

I am agree with you when it comes to a poorly done conversions. The HID kit I am trying to install is 3000K light, which is what OEM has and it is on a yellow side. From experience, right HID's with proper beam do improve driving visibility. Personally, I am blinded more by drivers with a high beams on due to bad performance of their low beam headlights rather then HID equipped cars. 



#15 OFFLINE   ScubaDadMiami

ScubaDadMiami

    C-Max Hybrid Member

  • C-MAX Hybrid Platinum Member
  • 1,408 posts
  • Region:U.S. Southern Atlantic
  • LocationMiami Beach, Florida
  • My C-MAX's Year:2013
  • Current Vehicle:SEL, 303A, Panoramic Roof

Posted 04 December 2014 - 10:56 PM

In case this helps, I was looking into changing over to HID. I can remember if it was DrDiesel or somebody else that said this, but he or she said that the Focus HID kit will work.



#16 OFFLINE   dmk2000

dmk2000

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 66 posts
  • Region:Decline
  • LocationNew Jersey
  • My C-MAX's Year:2013
  • Current Vehicle:Lexus GS 350 AWD

Posted 05 December 2014 - 10:02 AM

In case this helps, I was looking into changing over to HID. I can remember if it was DrDiesel or somebody else that said this, but he or she said that the Focus HID kit will work.

Interesting.

Thank you for this info. Let me see into it.



#17 OFFLINE   stevedebi

stevedebi

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 842 posts
  • Region:U.S. Pacific Coast
  • LocationLA
  • My C-MAX's Year:2014
  • Current Vehicle:2014 C-Max Energi

Posted 05 December 2014 - 03:57 PM

In case this helps, I was looking into changing over to HID. I can remember if it was DrDiesel or somebody else that said this, but he or she said that the Focus HID kit will work.

Somebody was trying to do that to the Fusion Energi. I'm not sure they got it working, but you might try that forum.



#18 OFFLINE   fbov

fbov

    C-Max Hybrid Member

  • C-MAX Hybrid Platinum Member
  • 1,397 posts
  • Region:U.S. Northeast
  • LocationRochester, NY
  • My C-MAX's Year:2013
  • Current Vehicle:C-Max Hybrid

Posted 09 December 2014 - 10:48 AM

...The HID kit I am trying to install is 3000K light, ...

You get it. Most folks don't... Thanks for the thoughtful reply!

Frank








Custom Search




0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users

Privacy Policy TERMS OF SERVICE ·