Upgrading your snowblower lights to LED lights - Page 3 - Snowblower Forum : Snow Blower Forums
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post #21 of 1322 Old 12-13-2013, 09:40 AM Thread Starter
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Originally Posted by JRHAWK9 View Post
So, I have my two sets of LED's wired up so one set is on with one switch and the other set is turned on separately with another switch. That part works great. What I find strange is when I meter the voltage on the AC line coming out of the stator it seems to INCREASE voltage when I turn the LED's on?! lol IE, it reads 15.5V or so with NO load. Turn on the stock light and it will drop to 14.xV....then turn on the handwarmers while leaving the stock light on and it will drop to 13.xV.

Now, if I turn on the first set of LED's it goes up to like 16.xV, add the second pair and it goes up to 17.xV. If I leave all four on and then turn on the handwarmers it will drop to 14-15V IIRC. I was measuring the voltage drop because I wanted to compare it to the stock stuff. I was surprised to see what I saw.

Can any of you electrical gurus explain what I seeing?
That's an interesting question. Completely counter intuitive, I'm curious as well.
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post #22 of 1322 Old 12-16-2013, 03:04 PM
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Any photos yet of this setup? I'd like to try it but I'm going to need something to follow.
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post #23 of 1322 Old 12-16-2013, 06:04 PM
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I have a problem lol. Today I bought the LED light and the bridge rectifier. On the bridge rectifier on one side it has a (+) on the left and a (wavy line) on the right. The wavy line spade terminal is facing the same as all the others, but that (+) one is the only different one. How does this wire up?
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post #24 of 1322 Old 12-16-2013, 11:16 PM Thread Starter
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I have a problem lol. Today I bought the LED light and the bridge rectifier. On the bridge rectifier on one side it has a (+) on the left and a (wavy line) on the right. The wavy line spade terminal is facing the same as all the others, but that (+) one is the only different one. How does this wire up?
The terminal that is Kitty corner from the + terminal is the negative for DC output . The terminal Kitty corner from the wave is the other AC terminal. ~ means AC. Does that make sense? In the first post there's a diagram of how it's wired

Let me know if more clarification is needed.

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post #25 of 1322 Old 12-16-2013, 11:19 PM Thread Starter
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Any photos yet of this setup? I'd like to try it but I'm going to need something to follow.
Please let me know what would be more helpful, and I can clarify it in the first post. Is there anything specific that doesn't make sense?
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post #26 of 1322 Old 12-17-2013, 08:34 AM
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OK I get it, but to the right of the + sign is the AC symbol (Wavy line). Is this the AC+ or AC- ?
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post #27 of 1322 Old 12-17-2013, 08:49 AM
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OK I get it, but to the right of the + sign is the AC symbol (Wavy line). Is this the AC+ or AC- ?
AC is just that, Alternating Current......there is no (+) or (-) relatively speaking because it alternates as a sine wive.

You can connect your AC line to any of those two, the other either goes to ground or connects to the other AC line.
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post #28 of 1322 Old 12-17-2013, 08:55 AM
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AC is just that, Alternating Current......there is no (+) or (-) relatively speaking because it alternates as a sine wive.

You can connect your AC line to any of those two, the other either goes to ground or connects to the other AC line.
What happens to the DC- terminal? This is where the black light wire goes, but where does it get its ground from?
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post #29 of 1322 Old 12-17-2013, 09:06 AM
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What happens to the DC- terminal? This is where the black light wire goes, but where does it get its ground from?
Just look at superedge88's photo above. The DC (+) and DC (-) are kiddy corner from each other, as are the two AC leads.
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post #30 of 1322 Old 12-17-2013, 10:24 AM
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