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#4072654 - 08/01/20 10:21 PM Adjusting automatic headlight delay via Forscan?
mkpctv Offline
Member

Registered: 04/06/17
Posts: 177
Loc: South FL
Title says it all... I’m still learning how to use Forscan, very neat and helpful program, was wondering if there’s a way to adjust the delay of the headlamp sensor in Forscan (the time it takes for the headlamps to automatically switch on when the sensor detects darkness)
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#4072660 - 08/02/20 12:31 AM Re: Adjusting automatic headlight delay via Forscan? [Re: mkpctv]
BigMerc96 Offline

I know nothing
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Registered: 06/05/10
Posts: 19766
Loc: I can see Detroit from here!
I don't know on the later models because a lot did change with the LCMs in '06, but the older models had a potentiometer on the sensor assembly that could be tweaked to adjust the sensitivity. However, the delay is there for a reason, you don't want the headlights turning on every time you go under a bridge or overpass.
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2006 Audi A6 ~132k miles, stock.
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#4072676 - 08/02/20 10:30 AM Re: Adjusting automatic headlight delay via Forscan? [Re: mkpctv]
mkpctv Offline
Member

Registered: 04/06/17
Posts: 177
Loc: South FL
That’s the problem I have now actually, I go under an overpass, they Immediately come on, then when I’m back in the light they shut off
_________________________
2008 Mercury Grand Marquis GS - purchased Feb 2017 33k original miles

In the past:
2006 Chevrolet Cobalt
1983 Chevrolet Caprice Classic
1998 Pontiac Grand Prix GTP
1988 Chevrolet Caprice

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#4072704 - 08/02/20 03:24 PM Re: Adjusting automatic headlight delay via Forscan? [Re: mkpctv]
2007CrownVic Offline
Over the Hill

Registered: 11/19/11
Posts: 2974
Loc: Canada
I don't think there's any way to set the sensitivity for coming on but I think thru service there's a way to adjust how long they stay on. But it might only be for when you turn the car off at night and I don't know if that's the same delay it uses for going on and off automatically while you're driving.

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#4072730 - 08/02/20 06:44 PM Re: Adjusting automatic headlight delay via Forscan? [Re: mkpctv]
bluejay_32 Offline
Poobah

Registered: 08/28/16
Posts: 7436
Loc: wny
Originally Posted By mkpctv
That’s the problem I have now actually, I go under an overpass, they Immediately come on, then when I’m back in the light they shut off

Mine do that too. With my Buick the delay was 15-20 seconds, not sure the exact delay, but it would come on about 100 feet before I got out from under the Welland Canal.
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