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Old 11-20-2013, 04:04 PM   #1
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how to convert my turn signals to DRL's?

looking for a way to switch my 03 TJ DRL's from the head lamps to the front turn signals
does anyone have a schematic or know of a tutorial to accomplish this switch
this is for a jeep with the DRL module installed

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Old 11-20-2013, 04:21 PM   #2
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Pull the DRL Fuse, and turn on your Parking Lights if you don't want the Heads on.
But to turn your Turns to run all the time would all so make your Brake Lights be ON all the time, (not good) and would require a great amount of switching using RELAYS and such for JUST the Front Turns and NOT the Rear.
Maybe if you were to describe a little more in detail, just WHAT IT IS you are trying to accomplish, or the reason behind such a modification, there might be a solution to your inquiry

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Old 11-20-2013, 05:16 PM   #3
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here is the issue
03 TJ with DRL's
have trucklites in my JK and like them a lot DRL switched to running lights with procal on JK
want to run trucklites on my TJ and have legal requirement for DRL's
the trucklites will flash if run in DRL mode
so Im looking for a way to switch the DRL's from the headlamps to the front turn signals
I am aware that Stern Co makes a fix but I was looking for more DIY type thing

Thanks for the reply
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Old 11-20-2013, 05:33 PM   #4
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Are you currently living in a country where DRLs are required?
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Old 11-20-2013, 07:49 PM   #5
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Around here it is not legal to drive with parking lights only that is why on the other car the headlights go off when you pull up on the park brake as when park brake is on is when they want just park lights

That is why they call them park lights
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Old 11-21-2013, 02:07 AM   #6
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The output from the module is pin #10, the violet/white wire. That then splices into the low beam wire of the same color going to the headlights. I suppose you could cut it & splice it into the black/yellow wire for the parking lights. But doesn’t the DRL module reduce the voltage to the low beams when on? If so would the parking lights be bright enough to be legal? Also unless you but a diode into the parking light supply wire above the splice you will have the taillights on as well. It would be a lot more complicated to wire them into the turn signals. You have 2 separate wires, one for each side. Probably could do it with diodes, maybe 4 of them since you have to be able to get then to flash as signals too & again don’t want the rear lights on since they will appear as brake lights & not a good idea. I would look into getting an inexpensive set of sealed beam aux. “driving” lights & mounting them on the bumper & connecting them to the module output if that would be legal in your area. I’ve seen them at Harbor Freight for maybe $10 or so each. They may be classified as “working lights”.
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Old 11-21-2013, 08:25 AM   #7
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The DRL is a low frequency PWM signal at I'm guessing 50% duty cycle. This is why when switching to LEDs you get flickering. So hooking them up to the turn signals would give you the same 50% relative brightness.

Trying to wire the DRLs to the turn signals is going to be a pain and might not meet the DRL laws because they are amber (assuming to OP still lives somewhere where they are required). If he doesn't live somewhere where they are required the simplest solution would be to bypass them.

If someone makes a fix so the LEDs can be used with the DRLs I would probably go that route.
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Old 11-21-2013, 12:12 PM   #8
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Quote:
Originally Posted by Digger84 View Post
Around here it is not legal to drive with parking lights only that is why on the other car the headlights go off when you pull up on the park brake as when park brake is on is when they want just park lights

That is why they call them park lights
DRL's are a legal requirement here (Canada) but FWIW I see plenty of OEM's driving around with amber running lights as DRL so I cant see getting any LEO flack over doing the same

if anyone else is trying to do the same here is a link for a nearly plug and play solution
DRL-1 Daytime Running Lamp Module Installation
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Old 11-21-2013, 07:58 PM   #9
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If all you want is drl to turn led headlights full on why not just let the current low beam wire control a relay that connects a fused direct alt/bat connection to the led headlight

That way as long as the drl output has adequate power to trip the relay whenever the low beams would have been lit by drl or fully the led headlight will get full juice

Don't need to pay money for some module just an inline fuse a relay some wire and a little sweat equity
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Old 11-22-2013, 03:08 AM   #10
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Quote:
Originally Posted by Digger84 View Post
Around here it is not legal to drive with parking lights only that is why on the other car the headlights go off when you pull up on the park brake as when park brake is on is when they want just park lights That is why they call them park lights
I've never seen a vehicle do this.
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Old 11-22-2013, 03:31 AM   #11
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I'm pretty sure DRL's actually are not required under the HTA in Canada. They are required to import a car and in other cases, but not needed after.
ServiceOntario: Making It Easier - Government of Ontario, Canada
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Old 11-22-2013, 07:08 AM   #12
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My 2004 Subaru l l bean turns off the drl whenever the park brake is pulled
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Old 11-22-2013, 09:51 AM   #13
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Rubi - don't forget there is a voltage drop across your steering diodes, aboyt 0.7 V. That will drop the brightness even more.

Digger - Don't know how good the relay would work with the pulsed output of the module. It might not pull in solid and chatter.
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Old 11-22-2013, 11:16 AM   #14
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Could be

Don't much care for a light that you cannot easily shut off when entering a security gate as military taught that lights off so guard can see

At least pulling the ebrake one click disables the crap on my car

But if you really want an online write up (it figures it would be a damn prius)

Here is a detailed write up

Highbeam 50% DRL mod, completed | PriusChat

To make your own DRL

then could cut the factory module output and run with this mod

OR you could just cut the factory module and control you lights with manual switches like we always did before

Do a canooks ban Prius cars if they do my opinion of them just increased
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Old 11-22-2013, 04:49 PM   #15
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I must just be lucky



leave it to me to find something in the electronics that is easier to deal with on a JK than a TJ
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Old 11-22-2013, 10:00 PM   #16
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Old 11-23-2013, 01:39 AM   #17
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If you are simply looking for a way to illuminate your front amber lights while the vehicle is running, you can just wire your parking light circuit to ignition power. If you really wanted, you could isolate the front and rear lights so the tail lights don't come on until you use the headlight switch. This would allow the turn signals to function normally, they're a dual filament bulb, so the intensity just increases when you use the turn signal.

If you want only the front amber's to burn steady at the brighter turn signal flash level, than you have some more involved work in front of you. You will need to isolate the front and rear lights, and also interrupt the steady bright burn whenever a turn signal is used. Be more specific on what you're trying to do, and we can probably help you out.

If it were me, I would just use a relay to turn the low beam wire on with ignition, maybe even trip that relay with the parking brake as mentioned above. This would make your low beams turn on with ignition and off with the parking brake, and you can leave the more complicated turn signal circuit alone. I have the Truck-Lites on my TJ; they look so cool, I turn them on as soon as I start the Jeep anyway... Why light up the amber's?
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Old 09-01-2014, 03:11 PM   #19
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AEV ProCal

Edit: This is only for JKs, and not TJs.

I am bumping a thread that is over nine months old because there is a solution. When I installed the AEV 2.5" lift kit, and 35" tires, I bought a ProCal to calibrate the speedometer. In addition, it has a bunch of other great features, including one touch turn signals (three blinks), recalibrating TPMS, and programming of DRLs. You can program the DRLs to be the turn signal lights, fog lights, or the headlamps. They all run at 50% of "normal" power. I programmed mine so that the turn signal lights function as DRLs, and they work flawlessly. When I use the turn signal, it cancels the DRL on that side, and flashes at full power. The other side remains in DRL mode.

There is no wiring involved at all. The entire process takes less than two minutes, including reading the instructions.


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