So I installed OEM HID headlights in my halogen equipped vehicle. I'm wondering how do I get the bixenon to work?! I just plugged them and everything works like it should except when I turn on my high beams my actuators don't open my high beam for my projectors. From what I read, they are bixenon, right? Any insight or advice would be greatly appreciated. I'm installing garax bulbs and figured I can just pull the headlights and rewire if I have to, I just don't know where to begin.

 

I assume you got the 06-10 style non-LED headlights?

There are 3 methods to enable the Bi-Xenon, in progression from cheapest to most expensive these are:

1. Splice the actuator solenoid into the high-beam wiring. If you have DRL's disabled, this will work 100% correctly. If you do not have DRL's disabled, your solenoid will be getting 50% power during the day when your lights are off. In reality this doesn't really affect anything, but I'm not sure how good it is for the solenoid in the long run.

2. Splice the actuator solenoid into the high-beam wiring, but also wire in a relay so that the solenoid only gets power when the low beams are on. This prevents the solenoid from ever seeing the 50% duty cycle from the high beams when they are in DRL mode. This is the cheapest method if you want everything to be functionally "correct".

3. Swap out your MPX ECU for one from an HID-equipped 06-10 car, this ECU will have a solenoid output that you can then wire to the solenoids in the headlights. This is the most correct way to do it, but also the most expensive.

Jeff

 

I was hoping you'd chime in on this. That's what I figured, my harness wasn't pinned out for it. I'll splice in and hope it doesnt ruin the solenoids running at 50%. I have LED DRLs that I run in the day and no high beams... Hence why I need the bixenon to work. Thanks man!

 

I think it should be fine, the solenoid is just a coil of wire that creates a magnetic field. At 50% power it will just be a weaker field (though from my experience, still more than enough to fully activate the bi-xenon, so it's not sitting halfway or anything).

Should be fine.

Jeff

 

I am actually looking forward to do the same thing, because the HID kit in the halogen housing is not really cutting it. Is the EPX ECU the same ECU that controls the AFS, auto-leveling, and the aforementioned high-beam ignition? Say for example if I pick up the three auto-leveling sensors and have them installed, where would the harnesses be connected to (as in which ECU)?

Thanks!

 

No the MPX ECU does not control any of that, there is a separate AFS ECU that would need to be added to control that functionality. Some of the wiring may be there (to the rear sensor for example), but most will not be. It would be an involved process to add AFS or Auto-Leveling.

Jeff

 

So is there a color coded wiring diagram anywhere so I can tell what wires to splice into?!

 

Okay Jeff so I did number one. Figured out which was the positive and negative from the actuator and high beams and spliced them together. I turned on the high beams and they opened up, but then wouldn't close after I shut off the high beams. Any idea where to go from here?!

 

Also, if I reach in and move the shield it will stay down until I turn on the high beams again and then it will stay up all over again.