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Old 06-13-2014, 10:21 AM   #1
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Trucklite Headlight High Beam Flash

Hi all, I installed trucklite headlights on my 2014 JKUR with anti-flicker and they work great, my question is, is it normal when I flash high beams from low beams that it stays on high beams for about a second then returns to low beam ?
I'd like the typical quick flash of high..low. Is this normal for these lights to do this ?
Also would having JWSpeaker fogs affect this ?
Thanks for your time.

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Old 06-13-2014, 11:02 AM   #2
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I've had stock fogs and currently no fogs and my Trucklites have always done it. I think it is just a delay with them. I don't know that it is fixable, then again, I love the trucklites so much I haven't bothered with them.

Interested to see what others say.

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Old 06-13-2014, 12:44 PM   #3
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I've had stock fogs and currently no fogs and my Trucklites have always done it. I think it is just a delay with them. I don't know that it is fixable, then again, I love the trucklites so much I haven't bothered with them. Interested to see what others say.
Thanks Blake, your prob right must be the design and yeah they are great headlights and I wouldn't change them. Also curious.
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Old 06-13-2014, 01:02 PM   #4
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The delay is from the capacitor in the anti-flicker harness discharging. Your only other option is to eliminate the anti-flicker harness and replace it with the harness that connects directly to the battery.

Here's an example.

Amazon.com: Putco 230004HW Premium Automotive Lighting Wiring H4 100W Heavy Duty Harness and Relay: Automotive
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Old 06-13-2014, 06:01 PM   #5
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Here's the proper harness. The one I posted earlier was just an example.

SMS H13 to H4 Upgrade Headlamp Harness For Jeep JK Wrangler 2007> - RallyLights.com
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Old 06-13-2014, 07:37 PM   #6
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Doesn't bother me enough to drop $120 on it!
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Old 06-13-2014, 09:36 PM   #7
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I'll deal with the delay. I don't flash enough people to make me want to get rid of the lights. Now my wife...... Different story.
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Old 06-13-2014, 10:58 PM   #8
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Here's the proper harness. The one I posted earlier was just an example. SMS H13 to H4 Upgrade Headlamp Harness For Jeep JK Wrangler 2007> - RallyLights.com
Thank you for the info but I think 120 is a bit steep to flash faster lol but now I know why it does that. thanks for your time.
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Old 06-13-2014, 11:01 PM   #9
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Here's the proper harness. The one I posted earlier was just an example. SMS H13 to H4 Upgrade Headlamp Harness For Jeep JK Wrangler 2007> - RallyLights.com
Thank you for the info but $120 is a bit steep to flash faster lol ,but now I know why it does that.
Thanks for your time.
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Old 06-13-2014, 11:18 PM   #10
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I have the Rallylights harness and still get the delay. It must be something inherent with the design of the lights or in how the CAN bus is handling the signal. Maybe it's always there and we just don't notice it with incandescent lights?
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Old 06-14-2014, 06:30 AM   #11
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I'll check and see if my JWS adapter does it too. I never noticed it but maybe I just wasn't looking...
Your JWS fogs have nothing to do with it though.
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Old 06-14-2014, 09:05 PM   #12
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I'll check and see if my JWS adapter does it too. I never noticed it but maybe I just wasn't looking... Your JWS fogs have nothing to do with it though.
I forgot to mention I'm not using anti flicker harness in JWS fogs, I did buy them but didn't need them so I wasn't sure if because I use them in headlights and not in fogs if that made a difference. Thanks for the info on that. :0)
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Old 06-15-2014, 05:50 AM   #13
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Well, I flicked on my highbeams this morning and they took a dump after about 22 seconds. And then they wouldn't flash again for a while.
Weird.

I'm not curious enough to pull everything apart and 'scope the circuit to see if it quits delivering power or if the cap peters out. If you need your highbeams on that long, turn on your highbeams...

But, then again, I've got three brand new 'scopes on my bench. It's just so dang hot out after work these days.
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Old 06-16-2014, 06:55 PM   #14
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It's the CAN buss. Even without the anti-flicker harness my lights took forever to swap as well.

If you notice, your horn also has a delay. I asked jeep and they said there was nothing they could do for it. :/
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Old 06-19-2014, 11:37 PM   #15
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Originally Posted by Hilldweller View Post
Well, I flicked on my highbeams this morning and they took a dump after about 22 seconds. And then they wouldn't flash again for a while. Weird. I'm not curious enough to pull everything apart and 'scope the circuit to see if it quits delivering power or if the cap peters out. If you need your highbeams on that long, turn on your highbeams... But, then again, I've got three brand new 'scopes on my bench. It's just so dang hot out after work these days.
thank you for testing that.
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Old 06-19-2014, 11:38 PM   #16
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It's the CAN buss. Even without the anti-flicker harness my lights took forever to swap as well. If you notice, your horn also has a delay. I asked jeep and they said there was nothing they could do for it. :/
yes I did wonnder why the horn was doing that lol thanks for the info
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Old 06-20-2014, 02:22 AM   #17
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yes I did wonnder why the horn was doing that lol thanks for the info
That CANBUS horn delay and control is ridiculous. What a stupid idea. You can't even do a little blip of the horn. Sometimes I want to do a little fraction of a second "beep"...but it (after a delay) comes out HONK! Sorry off topic got that annoyance out of my system haha!
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Old 06-22-2014, 10:31 AM   #18
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That CANBUS horn delay and control is ridiculous. What a stupid idea. You can't even do a little blip of the horn. Sometimes I want to do a little fraction of a second "beep"...but it (after a delay) comes out HONK! Sorry off topic got that annoyance out of my system haha!
Agreed 100% It's awful.
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Old 06-23-2014, 02:04 PM   #19
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Ran the RallyLights/SMS harness with Truck-lites and the high beam flash was instantaneous on/off.
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Old 06-23-2014, 07:38 PM   #20
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Just get some off-road lights to flash people with. Most halogen lights are 55watt like stock headlights.
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Old 06-23-2014, 08:05 PM   #21
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I know what you mean about the delay when switching to high beams with the truck Lites. I use my Rigid Duallys on my A-pillar for "high beam" flashes... they turn on and off quick.

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