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Old 07-09-2007, 09:04 PM   #1
Scooby Newbie
Member#: 134734
Join Date: Dec 2006
Chapter/Region: SCIC
Location: IE
2013 WRX SE
Tangerine Orange Peel

Question DRL question

Short version:
Should my DRL's turn off when I switch the lights to parking lights (My DRL will stay on when i flip the headlight switch to parking lights, or hit the switch on top of the column)?

Long Version:
The man hassles me when I go through base security at night (You are supposed to approach the guard house with headlights off and parking lights on so you dont blind them). I don't necessarily want to disable the DRL's all together, but since the DRL's stay on when i flip the switch to parking lights, I have to drive with the e-brake to the first click. Is that normal? Is there a way to make the DRL's shut off when I want them to (IE when the switch is flipped to parking lights).
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Old 07-09-2007, 11:51 PM   #2
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Member#: 153586
Join Date: Jul 2007
Chapter/Region: E. Canada
Location: Ottawa, Canada

I believe you can do that by wiring in a switch in the DRL relay's live wire -- assumiong you know where that is .

One side of the switch goes to the existing live wire(on), other side to ground (off). That's how most electrical things work, so should be that simple for the lights.

Hope that helps.
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Old 07-10-2007, 08:59 AM   #3
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That is how they are suppose to operate, doesnt make much sence. If you search there was someone else with your same situation and I think he posted instructions on how to wire up the switch.

That might be in the electrical forum though.
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Old 07-10-2007, 11:19 AM   #4
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Location: Jersey
1415 Legacy/Forester


Since almost all newer cars have DRL's, I'd seem to think the security guy at your base needs to adjust their practices. Especially if you don't want to disable your DRL's. I think I had heard awhile ago that DRL's were going to be mandated by the gov't. at some point in the future (like seat belt mandate's and airbags, etc.)
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Old 07-10-2007, 12:18 PM   #5
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You can check it out. DRL's are dimmer than when you turn your head lights on. Maybe he's just being a pain.
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Old 07-10-2007, 02:51 PM   #6
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2007 WRX limited
urban gray metallic


what you can do is just unplug the unit for the DRL with our cars (do a search) if you leave your headlights on they will turn off when you take the key out and come back on when you start the car. so a tip is to just leave the headlights on and they will function as DRLs (since they are the same bulb anyways) and you can unplug the DRL harness so that they will run like normal lights.

PS i believe the harness is very easy to get to if you ever need to replug it in also. (i think behind glove box)
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Old 07-10-2007, 03:32 PM   #7
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'95 Montego Miata


Originally Posted by wrxeter View Post
... I have to drive with the e-brake to the first click. Is that normal? ...
Yes, that's what I do.

As for running the full-strength headlights as DRLs, this has some drawbacks. The circuit is set up to run non-HID headlights at a lower voltage when used as DRLs, making them less bright, which extends the life of the bulbs and reduces the drain on the (already fairly low-capacity) alternator.
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Old 07-10-2007, 04:56 PM   #8
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just pull up your e-brake one notch, it shouldn't grap the brakes and your lights should turn off.
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Old 07-11-2007, 08:38 AM   #9
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Either disconnect the DRL relay or find the power feed, cut the wire, install two lengths of wire to a switch on the driver's side so you can control when the DRL's are on or off.

DRL's are useful in more northern countries such as Canada, Sweden, Danmark, etc where normal lighting and atmospheric conditions are considered, for example.

Here in the US we 1) don't have a Federal law mandating the use of DRL's and 2) in many cases the DRL's are another way to make sure that bad drivers have some form of forward lighting during Dawn/Dusk. Think of TPMS (Tire Pressure Monitoring Systems). Unfortunately people do not maintain their tires and/or overload their tires (too many passengers; cargo; wrong tire(s) for situation/usage). What happens? Bad, bad accidents and as a result, the rest of us have to have these systems in place.

I turn my headlights on during Dawn/Dusk and not half an hour or an hour before/after its light/dark out. If I go into a mall or covered parking plaza, all the lights go on. If it's dark out, the lights go on. If it's raining out, and it's also Connecticut law that if you use your wipers, the lights go on.

Not intended as a rant, just more fodder.
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