2009 Automatic headlight switch schematic?

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2009 Automatic headlight switch schematic?

Postby FireEscape09 - November 5th, 2013, 8:00 am

Looking for a schematic of the headlight switch. My specific need is to tie into the AUTO setting. I want to use the auto setting to trigger DRL's. That way if I actually have it set to off, the DRL's will be off too. This to me is way more functional than just tying the DRL's into the key-on circuit.
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Re: 2009 Automatic headlight switch schematic?

Postby Jay2TheRescue - November 5th, 2013, 10:23 am

Why not just take it to the dealer and have them enable DRL's in the SJB?
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Re: 2009 Automatic headlight switch schematic?

Postby FireEscape09 - November 5th, 2013, 2:03 pm

That would use the headlights for DRL. I'm going to use LED's for DRL. So by tying into the AUTO function, I can use that to enable to LED's rather than plain only key-on.
FireEscape - 2009 Escape XLT 2.5L
Westin Safari Bar, LED Interior Lights, Fog/Driving/Off Road light wiring guide
Coming soon: HID heads & fogs, LED front and rear retrofit, LED off-road lights
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Re: 2009 Automatic headlight switch schematic?

Postby tuxtanium - November 5th, 2013, 6:15 pm

Here you go:


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Re: 2009 Automatic headlight switch schematic?

Postby FireEscape09 - November 5th, 2013, 8:43 pm

Oh that is perfect! I was hoping that the headlight switch was ground switching. This makes my install very easy. The relay coil for the DRL LED's get's it's ground from the AUTO-On Circuit, and it's +12 from an ignition-on circuit under the hood. All the logic in one shot. With headlight switch in the off position, the DRL relay has no ground. And with the key off, the DRL relay has no +12. Perfect!! Which means they will never come on with the key off, and I can disable them entirely by switching the lights to OFF.
FireEscape - 2009 Escape XLT 2.5L
Westin Safari Bar, LED Interior Lights, Fog/Driving/Off Road light wiring guide
Coming soon: HID heads & fogs, LED front and rear retrofit, LED off-road lights
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Re: 2009 Automatic headlight switch schematic?

Postby johnmiller - May 6th, 2014, 5:33 am

Very useful thread.. I bought some led lights for my car last month from the http://www.panaceaco.com .. I was looking for the schematic diagram for installation of these led lights.. This thread helped me to make it easy.. Thank you..
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Re: 2009 Automatic headlight switch schematic?

Postby fics - August 22nd, 2019, 12:14 pm

Any chance someone has those automatic headlight switch schematics? They seem to be gone.
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Re: 2009 Automatic headlight switch schematic?

Postby shovel - March 7th, 2020, 4:28 pm

Best I've got, I know it's too late but maybe help someone else.

https://imgur.com/hxh4LgB

https://imgur.com/nhyjEVz
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