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Old 04-12-2016, 10:55 AM   #1
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Disable LED

This may sound like a strange question: I just installed some 12v USB charging ports in our TT and while we love the convenience, my wife is not happy about the fact that there is a tiny (about 1/16" diameter) bright blue LED light that is on at all times. The outlet itself is sealed and I don't see any way to remove the light. I'm thinking about taking a 1/16" drill bit and gently touching the LED to destroy it. Any thoughts as to how stupid this idea might be?

Of course I could also try a dab of black paint, but where's the fun in that?
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Old 04-12-2016, 11:04 AM   #2
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You'll probably short-circuit the outlet. Don't go there! Black electrical tape. Black nail polish.
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Old 04-12-2016, 11:27 AM   #3
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You'll probably short-circuit the outlet. Don't go there! Black electrical tape. Black nail polish.
Probably the best advice.
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Old 04-12-2016, 11:33 AM   #4
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I agree with the advice above.
And I also agree with your wife.
WAY too much stuff now has LEDs showing that it's plugged in/has power, not necessarily DOING anything, just plugged in - I don't need to know that.
We're to the point where we'll not buy something that has 'useless' LEDs on it if there is another option.
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Old 04-12-2016, 11:56 AM   #5
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Having been a USAF pilot I'm used to having all types of indicator lights on in the cockpit. Having these lights in my MH makes it look like I'm still back there. I like the look. Nostalgia makes us do odd things.
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Old 04-12-2016, 11:56 AM   #6
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Originally Posted by fisher99 View Post
This may sound like a strange question: I just installed some 12v USB charging ports in our TT and while we love the convenience, my wife is not happy about the fact that there is a tiny (about 1/16" diameter) bright blue LED light that is on at all times. The outlet itself is sealed and I don't see any way to remove the light. I'm thinking about taking a 1/16" drill bit and gently touching the LED to destroy it. Any thoughts as to how stupid this idea might be?
Of course I could also try a dab of black paint, but where's the fun in that?
A dab of paint.. a small piece of electrical tape, aluminum duct tape.... or a blind fold will do the job.

BTW, although very slight... illuminated LEDs and/or USB charging ports are some of the "parasitic battery draws" some RVers can't figure out how to eliminate.

Adding on/off switches in the power wires to USB charging ports might solve more than one problem.

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Old 04-12-2016, 07:41 PM   #7
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A dab of paint.. a small piece of electrical tape, aluminum duct tape.... or a blind fold will do the job.

BTW, although very slight... illuminated LEDs and/or USB charging ports are some of the "parasitic battery draws" some RVers can't figure out how to eliminate.

Adding on/off switches in the power wires to USB charging ports might solve more than one problem.

Mel
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Yes, in addition to my wife's dislike of LED lights, especially in the bedroom, I'm not happy about the admittedly small parasitic battery draw. That's why I was hoping that I could tap the LED with a drill bit and put it out. If I tape over it, or paint it, I will always know that it is really on, sucking up super-tiny amounts of my precious battery...

I bought 3 of these and will probably only end up installing 2, so maybe I'll try drilling one anyway, just to see what happens...
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Old 04-13-2016, 07:10 AM   #8
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Yes, in addition to my wife's dislike of LED lights, especially in the bedroom, I'm not happy about the admittedly small parasitic battery draw. That's why I was hoping that I could tap the LED with a drill bit and put it out. If I tape over it, or paint it, I will always know that it is really on, sucking up super-tiny amounts of my precious battery...

I bought 3 of these and will probably only end up installing 2, so maybe I'll try drilling one anyway, just to see what happens...
Some 12V powered USB charging ports draw 15-30 mA (milliamps) when connected to battery power and not charging anything...and as many as 1500mA (1.5A) when charging.
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Old 04-13-2016, 07:12 AM   #9
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Yes, in addition to my wife's dislike of LED lights, especially in the bedroom, I'm not happy about the admittedly small parasitic battery draw. That's why I was hoping that I could tap the LED with a drill bit and put it out. If I tape over it, or paint it, I will always know that it is really on, sucking up super-tiny amounts of my precious battery...

I bought 3 of these and will probably only end up installing 2, so maybe I'll try drilling one anyway, just to see what happens...
12V powered USB charging ports draw 15-30 mA (miliamps) when connected to battery power and not charging anything...and as many as 1500mA (1.5A) when charging.
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Old 04-13-2016, 09:36 AM   #10
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Just put a switch in the line, turn it off when not needed on when needed. Some of these leds change color when in use showing state of charge.

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Old 04-13-2016, 11:39 AM   #11
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Just put a switch in the line, turn it off when not needed on when needed. Some of these leds change color when in use showing state of charge.

LEN
Not a bad idea. Doesn't help with the light, since we will mostly use these to charge phones at night so will need them switched on, but at least I wouldn't have the parasitic draw during the day. Will give some thought to this.
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Old 04-15-2016, 09:40 AM   #12
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Reminds me of the old VCR tape systems that always seemed to have a blinking time display begging to be set. Black electrical tape solved that.
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Old 04-15-2016, 10:39 AM   #13
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I suggest you buy some of the small brown felt pads and stick one over the LEDs that are bothering you. You can still see a dim light thru the pad, but it won't bother you.

Another way but not reversible is to use a permanent marker to "dye" the LED this will also make it a dim light.

So far as the parasitic current draw of the LED, it depends on the design.

Worst case if it has a series resistor circuit, it is going to use 8 watts per day of power, or 225 watts per month. To put that into context, the usable storage capacity of a typical 12 volt group 24 marine battery is about 1000 watts.

It could use a power efficent LED and use as little as 1 watt per day, but it's unlikely. Only way to tell is to measure the current with a meter. 25 milli-amps = 8 watts per day.
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Old 04-15-2016, 10:43 AM   #14
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I bought 3 of these and will probably only end up installing 2, so maybe I'll try drilling one anyway, just to see what happens...
Let us know what happens. I installed a new power port that also has USB connections and it also has little blue LED.
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