HOW TO: Rocker Switch Installation - Page 3 - Mazda3 Forums : The #1 Mazda 3 Forum
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post #21 of 29 (permalink) Old 06-22-2010, 01:13 PM Thread Starter
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Re: HOW TO: Rocker Switch Installation

[quote author=halo0 link=topic=164520.msg3704717#msg3704717 date=1277219866]
Trust me, I understand electricity basics

Now that that's out of the way, we're back to my original question. Are the lights in the switch LEDs or not? The reason this matters is that (I'm assuming you know this) an LED is a diode, which only allows electricity to flow in one direction. i.e. if I use the switch as I'm suggesting (in the opposite way of which it was designed) the LEDs will not light up.
[/quote]

Well that should make explaining this simplier. From Figure 1 above, one LED is tied to "L1" and "Ground" and the other is tied to "L2" and "Ground" when the switch is flipped, L1 or L2 are now energized with +12v. Since the LED now has a voltage potential across it, it lights up. In your case, the directional flow of the electrons will still be exactly the same, and the light will turn on, however it will stay on, since it doesn't depend on the switch position to determine when L1 and L2 are energized. Does that make sense?

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post #22 of 29 (permalink) Old 06-22-2010, 01:46 PM
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Re: HOW TO: Rocker Switch Installation

Yes. I wasn't sure exactly how the LEDs would be wired inside the switch. That's not going to work for my application then. Do you know if they make a switch that would? I would only want each LED to light when that side of the switch was on. Perhaps a DPDT on-off-on? I'm not sure if such a thing even exists. I'd like to avoid using separate switches if possible. Thanks for your help btw.



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post #23 of 29 (permalink) Old 06-22-2010, 02:35 PM
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Re: HOW TO: Rocker Switch Installation

[quote author=halo0 link=topic=164520.msg3704799#msg3704799 date=1277225177]
Yes. I wasn't sure exactly how the LEDs would be wired inside the switch. That's not going to work for my application then. Do you know if they make a switch that would? I would only want each LED to light when that side of the switch was on. Perhaps a DPDT on-off-on? I'm not sure if such a thing even exists. I'd like to avoid using separate switches if possible. Thanks for your help btw.
[/quote]

You mean like this?

http://www.google.com/products/catal...CBwQ8wIwBTgA#p

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post #24 of 29 (permalink) Old 06-22-2010, 02:45 PM
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Re: HOW TO: Rocker Switch Installation

Thanks but I was hoping for one from the same manufacturer used by the OP, so it will fit properly. I'll do some searching when I have more time.



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post #25 of 29 (permalink) Old 06-22-2010, 02:52 PM Thread Starter
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Re: HOW TO: Rocker Switch Installation

[quote author=halo0 link=topic=164520.msg3704799#msg3704799 date=1277225177]
Yes. I wasn't sure exactly how the LEDs would be wired inside the switch. That's not going to work for my application then. Do you know if they make a switch that would? I would only want each LED to light when that side of the switch was on. Perhaps a DPDT on-off-on? I'm not sure if such a thing even exists. I'd like to avoid using separate switches if possible. Thanks for your help btw.
[/quote]

Cole-Hersee makes a SPDT switch with independent pilot lights, but I still don't know that there is a way to wire up the lights in a manner which the correct LED will light up when the switch is flipped. You can check out their PDF Catalog on page A8. Look at Diagram K. I'll walk down the hall a little bit later and ask some of my EE friends about what you're wanting to do. If it can be done, they'll know.

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post #26 of 29 (permalink) Old 06-23-2010, 01:50 PM
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Re: HOW TO: Rocker Switch Installation

Any luck?



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post #27 of 29 (permalink) Old 06-23-2010, 04:04 PM Thread Starter
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Re: HOW TO: Rocker Switch Installation

Halo-
He concluded the same thing I did. There's no practical way to use what we're given (the rocker switches by Cole Hersee) and create your desired output. He suggested just going with a non-lighted switch. I think the only way to determine which light needs to be lit is to determine from which pole the current is flowing from. That could make for a challenging circuit...

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post #28 of 29 (permalink) Old 06-23-2010, 04:55 PM
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Re: HOW TO: Rocker Switch Installation

[quote author=halo0 link=topic=164520.msg3706201#msg3706201 date=1277311823]
Any luck?
[/quote]

i ended up getting the same on as the OP but a 3 way on-off-on


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post #29 of 29 (permalink) Old 09-30-2016, 02:57 PM
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the thread by Commie is now in this URL .. the link here seems to be broken...
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so if I'm reading this correctly, there's no extra +12v connection near the fuses, but you just need to repurpose an existing connection (i.e. your cig lighter)? Is that correct?

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