Daytime Running Lights - JeepForum.com
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post #1 of 40 Old 05-08-2010, 12:30 PM Thread Starter
ronjenx
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Daytime Running Lights

I just modified my JK by programming the daytime running lights "on", with the AEV Procal.

It was easy and it took a fraction of a second to do.

I tried all the configurations, except the parking lights.

High beams on at 1/2 voltage: Too dim to be effective, IMO.

Low beams on at 1/2 voltage: Too dim to be effective, IMO.

Fog lights on at full voltage: Bright enough to be effective.
I say full voltage because I see no brightness difference between DRL fogs, and fogs on with the switch.

The fog lights turn off when the headlights are turned on, (can be relighted with the regular control switch).
On the automatic, the fog lights (DRL) turn off when the transmission is in park.
The fog lights (DRL) turn off when the parking brake is raised.

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post #2 of 40 Old 05-08-2010, 12:47 PM
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Originally Posted by ronjenx View Post
I just modified my JK by programming the daytime running lights "on", with the AEV Procal.
How do you like it? I was thinking of doing it too but for some silly reason I think I would be embarrassed for them to be on while running around the desert. I know I can switch back and forth with the ProCal but donít really want too.
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post #3 of 40 Old 05-08-2010, 01:00 PM Thread Starter
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How do you like it? I was thinking of doing it too but for some silly reason I think I would be embarrassed for them to be on while running around the desert. I know I can switch back and forth with the ProCal but don’t really want too.
Embarrassment for the fogs being on never entered my mind.

I did it mostly to be seen better, and it's the law in Maine to have lights on when windshield wipers are on. Daytime running lights qualify.

I usually forget.
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post #4 of 40 Old 05-08-2010, 01:55 PM
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Thats crazy, same law here in Ca.--I just turn my headlights on and the fog lights, if I needem !!

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post #5 of 40 Old 05-09-2010, 04:08 AM
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"it's the law in Maine to have lights on when windshield wipers are on"
Tell me thatís a typo error. Or maybe itís a joke, right?
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post #6 of 40 Old 05-09-2010, 06:36 AM
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Did you try the Euro settings for the DRLs? That's what I'm using right now. Headlamps on 100% all the time.

I prefer the standard DRLs but I can't handle it shutting one light off when you turn the turn signal on.

Quote:
Originally Posted by 1222 View Post
Tell me that’s a typo error. Or maybe it’s a joke, right?
What's wrong with that sentence? Makes sense to me, and from what I've seen it's the law in a lot of states...

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post #7 of 40 Old 05-09-2010, 07:35 AM Thread Starter
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Tell me thatís a typo error. Or maybe itís a joke, right?
Not a joke. Not just in Maine, either.
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post #8 of 40 Old 05-09-2010, 07:37 AM
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Read #4

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post #9 of 40 Old 05-09-2010, 08:57 AM
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I had programmed mine with the AEV to "Euro" daytime running, and ran that way for a while. But then I realized half the time I turned them on by habit anyway, so it was kind of pointless.

Also, I doubt it had anything to do with having DRL turned on, but I guess I should mention in case it does. I never had a bulb burn out in 35k miles, but after having the DRL on for maybe 1k miles, I lost a bulb (burnout). It was probably bound to happen at that mileage, but who knows...
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post #10 of 40 Old 05-09-2010, 09:08 AM
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Most states have laws requiring headlight use in the rain now; not unusual at all.

And DRL regulations include luminous flux as well as aim.
Foglights don't make good DRL; they're good from a conspicuity standpoint but aren't all that focus-friendly to oncoming drivers.

I'd use the lowbeam or running light option; either one is effective for DRL.
And I'd just try to remember to turn on the full headlights in the rain. You could even cobble a relay from the wiper switch to do it automatically if you want.

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post #11 of 40 Old 05-09-2010, 09:19 AM Thread Starter
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Originally Posted by Hilldweller View Post
Most states have laws requiring headlight use in the rain now; not unusual at all.

And DRL regulations include luminous flux as well as aim.
Foglights don't make good DRL; they're good from a conspicuity standpoint but aren't all that focus-friendly to oncoming drivers.

I'd use the lowbeam or running light option; either one is effective for DRL.
And I'd just try to remember to turn on the full headlights in the rain. You could even cobble a relay from the wiper switch to do it automatically if you want.
As with headlights, if the fogs are properly aimed, there will be no conflict with oncoming drivers.

I went with the fogs on the assumption it will be easier and less costly to replace the bulbs when they burn out.

As I wrote in the original post, the low/high beams are quite dim on 1/2 voltage. The Euro setting is full voltage, but I would rather burn out the fog lights, due to being on more often, than a headlight.
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post #12 of 40 Old 05-09-2010, 11:36 AM
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I was informed by the Procal folks that the reason the light goes off when the turn signals are on serves as an additional "attention getter" (safety factor) to oncoming traffic - seeing a light go out gets ones attention and then they hopefully notice the small turn signal blinking, esp when turning left across traffic - not my idea, just passing it along. I don't care because I can't see the headlights when driving anyway...

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post #13 of 40 Old 05-09-2010, 01:23 PM
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What's wrong with that sentence? Makes sense to me, and from what I've seen it's the law in a lot of states...
I was just being sarcastic. I guess Iím not up to date on the law regarding DRLís. Actually I couldnít care less.
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post #14 of 40 Old 05-10-2010, 01:00 PM
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Up here in Canada, we're required to have DRL. Unfortunately, it was the 1/2 voltage (voltage DC chopped) high beam, which fries your relays when you try to wire better headlights. It was a nuisance for my HID's so I reprogramed with the Procal as well. I went with the Turn signal option. I find it quite noticable and it is legally an option in Canada. With ignition on and lights off, it turns both turn front signal blinkers (bright turn filament, not the running filament) on and then turns them off when a turn the signal is on. When the headlights are on, it goes back to the standard running lights and signals.

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post #15 of 40 Old 05-10-2010, 01:22 PM
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I have just gotten into the habit of running with my headlights on all the time. Even on a bright sunny day, it makes a difference in visibility. It's so automatic, I don't realize I've done it half the time.

It's so second nature that I often have to be reminded to turn them off when wheeling in daylight, as they have a tendency to bother the guy in front of me.
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