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Old 05-18-2016, 06:57 PM   #21
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That was part of an answer to a guy trying to figure out his wiring for an HID setup just installed back in January - turned out he had a bad ballast problem.

Thread just got bumped by MartinoBonifaz with an ST and an LED lighting question.
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Old 05-18-2016, 07:09 PM   #22
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Quote:
Originally Posted by ELCouz View Post
not worth it to put resistor dissipating 110 watts of heat (wasting 1/4 hp on crank and fuel)
Wouldn't the car/harness be pushing 110w regardless if you have resistors or not?

I'm at the point where I haven't completely determined whether I need them or not.
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Old 05-18-2016, 07:23 PM   #23
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That would be ~ 9.16 amps through a ~1.31 ohm resistance, basically a pretty bright light from the glow you get one way or another.

Higher resistances are normally used when simulating a load for the system sensors, reducing the current significantly.
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Old 05-18-2016, 07:49 PM   #24
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Quote:
Originally Posted by rebelx View Post
Wouldn't the car/harness be pushing 110w regardless if you have resistors or not?

I'm at the point where I haven't completely determined whether I need them or not.
Resistor are needed because the load of HID ballast are inductive and halogen bulb are resistive type of load... the BCM will "not see" the ballast load thus throwing a bulb out error thinking the bulb are burned.

But resistor are not needed if you use foCCCus to program the BCM to ignore the load on the headlamp wire.
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Old 05-19-2016, 03:02 AM   #25
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Originally Posted by ELCouz View Post
But resistor are not needed if you use foCCCus to program the BCM to ignore the load on the headlamp wire.
I don't want to use foCCCus on my car. Would not having resistors w/HIDs create an overload load less than having resistors w/HIDs?

Essentially, if the car is still supplying X watts necessary to drive halogens to the HIDs, where does the excess go? Burn off as heat?

Isn't the point (from what I understood in limited conversation from some other folks) of resistors (besides canceling the error code) to safely handle the additional load that the HID system does not need but the car supplies regardless?
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Old 05-19-2016, 05:17 AM   #26
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Quote:
Originally Posted by rebelx View Post
I don't want to use foCCCus on my car. Would not having resistors w/HIDs create an overload load less than having resistors w/HIDs?

Essentially, if the car is still supplying X watts necessary to drive halogens to the HIDs, where does the excess go? Burn off as heat?

Isn't the point (from what I understood in limited conversation from some other folks) of resistors (besides canceling the error code) to safely handle the additional load that the HID system does not need but the car supplies regardless?
The resistors won't limit anything since they are mostly used with a relay harness kit... the resistor are just wasting power at the regular BCM output for beams (making it believe there's left are right low beam connected) you still draw power directly from the battery with the relays thus having the almost double of power per light used (35watt HID + 55 watt resistor, each beam)
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Old 05-19-2016, 03:39 PM   #27
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Quote:
Originally Posted by SilverPony2001 View Post
Yes, check the HID threads, or the DIY sticky.

You either need resistors, or to go into the FoCCCus app with an OBD-II device and change some settings in there.
Hello, can you please tell me where I can find the instructions on how to use Focccus to overwrite the LEDs low beam fault warning?
Thank you
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Old 05-19-2016, 06:37 PM   #28
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Here's the general FoCCCus thread, stickied at the top of this page:http://www.focusfanatics.com/forum/m...nfig-edit.html

Don't know which of the multiple lighting threads gives the best info. otherwise.
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Old 05-19-2016, 07:41 PM   #29
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Quote:
Originally Posted by ELCouz View Post
No need for that... i have a proper HID retrofit with relay harness ... even if the BCM say bulb out it will work

Is that error really that annoying???? message goes off after 5 sec or if you press ok..
That's how I feel about it. Not hurting anything...I don't think 😒
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Old 05-19-2016, 10:59 PM   #30
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LED Headlights - Dipped Beam Bulb Fault

I just want to put this out there and no I don't usually go for the cheap stuff.. I have been using this 35w hid kit for quite awhile. No errors, no hook up to battery, no problems. I have these installed on my 2004 and were on my 2015. They are installed just like these Opt7 LED bulbs; straight to the headlight harness, but are at least 3x brighter.

https://www.ebay.com/itm/121142204700

Last edited by CableGuy7556; 05-20-2016 at 04:49 AM.
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