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Old 06-13-2014, 08:39 AM   #1
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Question Open Garage Door With High Beams

Hello, I'm in need of some assistance with a project I'm working on. My goal is to be able to use my high beam flash lever to open my garage door and I'm half way there.

I've taken my 12 volt garage door remote apart, soldered a jumper to the door open button so that as soon as the device gets power it sends the signal to the door to open or close. Then I soldered wires to the positive and negative terminals that the garage door remote battery would normally connect to.

Then ... I testest the modified remote directly on the battery negative / positive. it works flawlessly.

Then, .. I tapped the hot wire of the remote into the high beam wire of the drivers side headlight and grounded the negantive wire. (with the jeep off) pulling the high beam lever towards me it works flawlessly!

Here's the fly in the ointment ... when the Jeep is running (2008 JK) it does not work ? And if I turn the Jeep off it takes a bit less than a minute for the modification to work again with the Jeep not running.

I'm confused and need your valuable assistance.

(to clear any potential confusion, once I get this mod running flawlessly in all ways, I am going to wrap the remote in a zip lock for weather protection and zip tie it to the inside of my front bumper hidden from view)

Thanks in advance for any help with this.

Ron

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Old 06-13-2014, 08:46 AM   #2
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What did you use for (final) ground? Did you directly attach to the body/frame somewhere? Or did you simply tie into an existing wire you thought was ground?

When your '08 JK is running, and your high beams on 'on', what's the voltage at your remote's positive and negative terminals? When your high beams are 'off', what's the voltage?

BTW, I would imagine that with your design, the garage remote is constantly sending out a signal as long you keep your high beams 'on'. Maybe it times out, and disables itself, and then resets a minute or so later after you turn your Jeep 'off'?

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Old 06-13-2014, 08:58 AM   #3
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For the ground I attached to the frame.

I haven't measured the running voltage yet. The mod doesn't work in any state (lights on or off) while running, but works in every state (lights on or off) with the Jeep not running.
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Old 06-13-2014, 09:36 AM   #4
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What did you use for (final) ground? Did you directly attach to the body/frame somewhere? Or did you simply tie into an existing wire you thought was ground? When your '08 JK is running, and your high beams on 'on', what's the voltage at your remote's positive and negative terminals? When your high beams are 'off', what's the voltage? BTW, I would imagine that with your design, the garage remote is constantly sending out a signal as long you keep your high beams 'on'. Maybe it times out, and disables itself, and then resets a minute or so later after you turn your Jeep 'off'?
^^^ this... In some areas that have daytime running lights, DRL, the Highbeam circuit is active while the Jeep is on this may burn out your remote being powered all the time.
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Old 06-13-2014, 09:49 AM   #5
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When my Jeep is on, the lights aren't on. I don't think I have daytime running lights.
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Old 06-13-2014, 11:04 AM   #6
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Old 06-13-2014, 11:26 AM   #7
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Is it possible the computer is sensing the additional draw? Do the high beams still work when running? Where did you tap power from; in the steering column or at the light? It is my understanding that all switches on these JK's only talk to the computer and then the computer actually turns on/off the item.
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Old 06-13-2014, 11:47 AM   #8
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Maybe try with a relay to pull power directly from your battery. Use the high beam power wire to throw the relay.

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Old 06-13-2014, 02:17 PM   #9
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Could the 1 minute delay to reset the mod be from the delay that turns the lights, radio, etc off after you get out of the vehicle???
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Old 06-13-2014, 02:57 PM   #10
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Maybe try with a relay to pull power directly from your battery. Use the high beam power wire to throw the relay.
I still don't like the (assumed) function that the remote will transmit continuously (or try to) as long as the high beams on are 'on'. While one might just flash the high beams when arriving at home, you could be driving for hours on a back road, with your high means 'on'.

I think the idea of a relay is a good one, but one should use a one-shot so that the relay is never 'on' for more than, say, 10 seconds. After 10 seconds, it automatically turns itself back 'off'.
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Old 06-13-2014, 03:07 PM   #11
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Could the 1 minute delay to reset the mod be from the delay that turns the lights, radio, etc off after you get out of the vehicle???
I think you're onto something here ... given the behaviour of it working again AFTER I shut the Jeep off and waiting a duration of around 40 seconds or so.
Is there a work around for this?
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Old 06-13-2014, 04:24 PM   #12
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Sorry, that's about as much as I can contribute to the thread.
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Old 06-13-2014, 06:56 PM   #13
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The Jeep system is CANBUS so I would suspect the issue has more to do with the Jeep's electrical computer system having to relay info from the switch the the ECU then to the lights.
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Old 06-13-2014, 07:49 PM   #14
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Some have an easier time activating the remote with high beams

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Old 06-13-2014, 09:05 PM   #15
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Sounds totally stupid, pointless and dangerous - unless you put one of those old hi-beam foot buttons on the floor. Boy, how I loved those things! Talk about being able to vent! Flashing hi-beams using the "directional indicator stalk" is pointless, unless you actually, uh, need your hi-beams.

Seriously, sounds like fun. But not nearly as much as trying to align the hi-beams in bluevr6's photo. Wow, those are bright!
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Old 06-13-2014, 09:26 PM   #16
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Sounds totally stupid, pointless and dangerous - unless you put one of those old hi-beam foot buttons on the floor. Boy, how I loved those things! Talk about being able to vent! Flashing hi-beams using the "directional indicator stalk" is pointless, unless you actually, uh, need your hi-beams.

Seriously, sounds like fun. But not nearly as much as trying to align the hi-beams in bluevr6's photo. Wow, those are bright!
I had the old high beam switch working my aux lights on my tj. Loved it
The relay is the way to go. Maybe something like an old flasher can. Or a pi and some coding
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Old 06-14-2014, 07:45 AM   #17
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I think the idea of a relay is a good one, but one should use a one-shot so that the relay is never 'on' for more than, say, 10 seconds. After 10 seconds, it automatically turns itself back 'off'.
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Old 06-14-2014, 07:57 AM   #18
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The highbeam is using a pulsewidth modulated circuit that has a duty cycle of 4.6v-12.6v; a halogen bulb doesn't mind that but solid state circuitry does.
You'll need to wire a cap and resistor inline to smooth out the power delivery. I would also recommend using a relay.
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Old 06-14-2014, 08:06 AM   #19
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The highbeam is using a pulsewidth modulated circuit that has a duty cycle of 4.6v-12.6v; a halogen bulb doesn't mind that but solid state circuitry does.
You'll need to wire a cap and resistor inline to smooth out the power delivery. I would also recommend using a relay.
Thanks for the reply, at the risk of being (unfortunately) annoying, could you write up a "for dumbies" sort of recipe for this please? The specific size capacitor, resistor etc

Thanks!!
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Old 06-14-2014, 09:19 AM   #20
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Could you run it off something more momentary like the washer pump or the horn and not require the additional materials?
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Old 06-14-2014, 04:22 PM   #21
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...or you could just push the button on your garage door remote. I'm starting to wonder if all this headache is worth it? Why make things so complicated?

If you want a more streamlined setup go to the junkyard and pull a built in garage door opener off of another car...they came in all sorts of cars, some of them are built into the rear view mirror too.
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Old 06-14-2014, 05:00 PM   #22
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...or you could just push the button on your garage door remote. I'm starting to wonder if all this headache is worth it? Why make things so complicated?

If you want a more streamlined setup go to the junkyard and pull a built in garage door opener off of another car...they came in all sorts of cars, some of them are built into the rear view mirror too.

LMAO....nope, that remote is just WAY too hard to push!!
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Old 06-14-2014, 06:17 PM   #23
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maybe use the flashers instead?
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Old 06-15-2014, 04:45 AM   #24
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Thanks for the reply, at the risk of being (unfortunately) annoying, could you write up a "for dumbies" sort of recipe for this please? The specific size capacitor, resistor etc

Thanks!!
Call Ray or Dave and tell him what you're up to and they'll either build it for you or tell you how.
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Easy button. Call them and buy one of their headlight kits. Ask them to include two "Hilldweller dongles", one to trip a set of driving lights, one to trip your garage door opener. Relay it all. Put a switch for the lights and the door opener in your cabin.
Then you'll have better headlights, good driving lights that are properly wired, and a James Bond garage door opener.
I recommend the Hella Rallye 4000 for driving lights...

FWIW, I think it's a cool project. A little bit of a Rube Goldberg thing, but geeks will be geeks and this has a functional point.
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Old 06-15-2014, 09:51 AM   #25
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I'm pretty sure there has been a device like this on the market for quite a few years now. It uses a light sensor mounted outside the door and it's tied into your opener. You use a unique flash pattern to activate the door. I could swear there was something like this out there...?
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Old 06-15-2014, 11:50 AM   #26
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Look up Flash2Pass. It's generally for motorcycles.

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