high beams "timed out" ?? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 12 Old 02-28-2011, 05:02 AM Thread Starter
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high beams "timed out" ??

So, we all know that the driving lights turn off when you switch to high beams.

Ok, so one morning, it's rainy-sleety-windy and coming down in waves, just one after another. For some odd reason, I thought I had a better sight picture by holding the momentary high-beam feature on, whilst the driving lights stayed lit.

This lasted for ~20 seconds and kicked back down to low-beam. It didn't matter if I pulled back on the left lever to flip the lights again. No Joy. If I set the high beams on, they'd commit, but I definately had a loss of momentary high beams.

After about a minute, it went back to normal.

Is this an over-heating issue? Is there some built-in safety feature? I did a search on this site for similar writes but came up dry. Anyone else experience this?

Thanks

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post #2 of 12 Old 02-28-2011, 05:18 AM
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I have had the exact same thing happen to mine. I was on a realy dark stretch of road, tried using the momentary high beams while the low beams stayed on. Worked out the same way yours did.

It is probably just a safety thing built into the system. Either to prevent overheating, or to prevent us from driving around with low and high beams on .............



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post #3 of 12 Old 02-28-2011, 05:50 AM
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It's to keep from melting itself. That makes both light elements go through one bitty ground wire/connector on the light. Thats why it's temporary

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post #4 of 12 Old 02-28-2011, 10:51 AM
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Sounds like the Can-bus doing it's job....With both high and low bean burning the Can-bus reads too much voltage draw and turns it off.

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post #5 of 12 Old 02-28-2011, 12:13 PM
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This:


<---- Solves the problem.



I can run my lowbeams & fogs and still illuminate the road way ahead like it was daytime



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post #6 of 12 Old 02-28-2011, 01:05 PM
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Quote:
Originally Posted by 07JKRUBI View Post
Sounds like the Can-bus doing it's job....With both high and low bean burning the Can-bus reads too much voltage draw and turns it off.
Amperage

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post #7 of 12 Old 02-28-2011, 07:45 PM
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Quote:
Originally Posted by Goodysgotacuda View Post
Amperage
"Current."
Amperage is the measure of current draw.
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post #8 of 12 Old 02-28-2011, 07:53 PM
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Quote:
Originally Posted by fishgutz View Post
"Current."
Amperage is the measure of current draw.

Tomato to Tomato when it comes to that...depends on the context.

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Last edited by Goodysgotacuda; 02-28-2011 at 07:58 PM.
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post #9 of 12 Old 02-28-2011, 08:06 PM
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actually its neither
it must just use a timer instead of actually sensing current draw because all my canbus connected wiring does is activate relays and it still times out


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post #10 of 12 Old 02-28-2011, 08:09 PM
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Quote:
Originally Posted by venom View Post
actually its neither
it must just use a timer instead of actually sensing current draw because all my canbus connected wiring does is activate relays and it still times out
I bet that time limit was programmed based off testing and current capabilities of that design. Rather than a random number being punched in

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post #11 of 12 Old 02-28-2011, 11:13 PM
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LOL I found this out a few weeks ago when a prick in a lowered honda wipped right in front of me and slamed on his brakes I hit the horn he flipped me off and then I hit the high beams and held it lighting up the inside of his car after about 20 seconds they kicked off I wondered why now I know!
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post #12 of 12 Old 03-01-2011, 04:36 AM Thread Starter
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sweet!
Voltage, Amperage, Current, Lowriders.... Got it. Glad I'm not the only one that this happens to.

Hey Dirty, you've written that your LED headlight install has been problematic due to your computer/wiring issues, right? Does this apply when YOU use your low-draw upgrades??

Thanks to all 4 the feedback

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