LED voltage monitor - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 14 Old 06-12-2009, 10:50 AM Thread Starter
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LED voltage monitor

Just recieved one of these lil beauties and will install before I head out on a trip.

Simple install by the looks of things.

I purchased mine thru www.dualsportplus.com, but I think you can also get it from Twisted Throttle.

http://www.electricalconnection.com/...tors/04101.htm

Cheers!

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post #2 of 14 Old 06-12-2009, 03:08 PM Thread Starter
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Installed the LED in the position shown. Initially I connected it to the tail light wiring, but there is a .5V drop between that and the true battery voltage so I have used a relay. You could also install a simple on/off switch as well, but I preferred not to use that method.

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post #3 of 14 Old 06-14-2009, 01:46 AM
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I considered one of those but opted for a digital voltmeter instead. I'd like to know the voltage more accurately than '12+V'. With a voltage of 12V at say 5000rpm this LED would show green suggesting all is fine when it isn't.

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post #4 of 14 Old 06-14-2009, 08:08 AM Thread Starter
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A valid point, when I ordered it, I had thought that it would show green only when fully charging, i.e. >14 VDC.

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post #5 of 14 Old 06-14-2009, 10:51 AM
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I installed mine last week. I like it as an idiot light. I doubt I would know if something subtle was amiss. Mainly just want to know all is more-or-less okay before I head out on the road. I cut out the fuse and hooked it into my Blue Sea box.

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post #6 of 14 Old 06-14-2009, 11:15 AM
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Quote:
Originally Posted by rcacs View Post
A valid point, when I ordered it, I had thought that it would show green only when fully charging, i.e. >14 VDC.

Cheers
I don't know if it's the same one but I got mine from here:

http://www.customdynamics.com/LED_battery_gauge.htm

The specs are a little different in that the solid green light comes on at 12.9 volts which would be much more useful than 12 volts as a fully charged battery has 12.6 volts.

As long as I'm putting more than 12.6 volts into the battery I'm happy so this works well for me. I found that while idling in traffic when the fan kicks on it's enough to drop the charge to where the amber light comes on. I've since put LED's in the taillight and have since not had this happen.

I like being able to catch the green light without actually looking at it and knowing all is good rather than having my attention taken up with reading an actual number while riding.

Different strokes for different folks I guess.

The only weakness I've come up with is that the LED was somewhat fragile on mine and the connections broke. I found a replacement LED for very little $$$ and all is good again.

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post #7 of 14 Old 06-15-2009, 04:24 PM Thread Starter
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I am on a trip right now, but I have a suspicion that this LED monitor I installed does actually monitor charging voltage, not just static battery voltage.
I will run some tests once I return home.

Cheers

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post #8 of 14 Old 06-16-2009, 01:57 AM
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Quote:
Originally Posted by rcacs View Post
I am on a trip right now, but I have a suspicion that this LED monitor I installed does actually monitor charging voltage, not just static battery voltage.
I will run some tests once I return home.

Cheers
I might be interested if I had any idea what that means.

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post #9 of 14 Old 06-16-2009, 11:10 AM
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Originally Posted by LordSmoke View Post
I might be interested if I had any idea what that means.
Since I take my voltage readings at the battery when I'm checking the state of the charging system I don't know if it really makes a difference.

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post #10 of 14 Old 06-16-2009, 11:16 AM
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Wherever you connect the meter, it will tell you the state of the charging system. The battery is wired to it.

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