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Author Topic: GK's chav lighting... Help!  (Read 488 times)

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GastronomicKleptomaniac

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GK's chav lighting... Help!
« on: 20 May 2017, 13:04:38 »

I have a set of lovely amber LED strips to go in my footwells. I am perfectly happy wiring them in, I want them to work in conjunction with the courtesy light - ie when doors are opened or interior light switch pulled out.

Multimetering shows the courtesy light has two lives, one is switched ignition. The grey and black wire however is 12v with lamp off... Drops to 0v when lights are on. Can I somehow wire in using this as the switch?

(And once I've practiced on mine... I think TB might like some blue ones in his... ;) )
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iZirk

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Re: GK's chav lighting... Help!
« Reply #1 on: 20 May 2017, 13:29:54 »

Sounds to me like your measuring the neg side, ie, its switching to ground, so your measuring 12v on the neg side of the bulb, (12v through the bulb), which goes to 0v when switched on.
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GastronomicKleptomaniac

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Re: GK's chav lighting... Help!
« Reply #2 on: 20 May 2017, 13:33:53 »

Sounds to me like your measuring the neg side, ie, its switching to ground, so your measuring 12v on the neg side of the bulb, (12v through the bulb), which goes to 0v when switched on.

Stands to reason - have been measuring off the visible pins on the lamp body...
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iZirk

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Re: GK's chav lighting... Help!
« Reply #3 on: 20 May 2017, 13:43:49 »

So, if it is, Neg Switched, can't confirm that, but most stuff like low power bulbs etc, normally are on cars, then that 12v point were talking about will be your feed for the Neg Led's, and the Poss Led's will go to the other side of the bulb (+12) or, depending on the Led Power rating, go to a + Battery feed via a fuse.
« Last Edit: 20 May 2017, 13:48:29 by zirk »
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iZirk

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Re: GK's chav lighting... Help!
« Reply #4 on: 20 May 2017, 13:47:07 »

Other thing that may upset the works, is how the CL Delay works and whether its Power sensitive or not, your have to have a play.
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GastronomicKleptomaniac

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Re: GK's chav lighting... Help!
« Reply #5 on: 20 May 2017, 17:50:26 »

So, if it is, Neg Switched, can't confirm that, but most stuff like low power bulbs etc, normally are on cars, then that 12v point were talking about will be your feed for the Neg Led's, and the Poss Led's will go to the other side of the bulb (+12) or, depending on the Led Power rating, go to a + Battery feed via a fuse.

Spot on, cheers dude :y
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