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using the light circuit as a remote feed

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Hi all,


 


I've recently wired up a Vibe deltabox line converter and have found the amp rem out to be intermittent. One min it's 12v the next 0. 


 


As a get around, I wired the amp remote to the rear sidelight circuit. The odd thing is the amp then powered on, then off cyclically.


I thought it might be some sort of loading issue and metered the amp remote, but found it was a 12V constant.


 


So now I've run the amp rem linked to the main 12v input, then this via an in-line switch, and it's working fine, but not good as a permanent solution as my wife forgets to turn the amp off. (and I get in massive trouble)..


 


I'm not sure whether to get another converter, as the remote turn-on section of the amp circuitry may be an issue.


Or is it well known that you can have issues using the side lighting circuit as a remote feed?


 


Thanks for any help,


 


Weeelp


On the new cars the side light circuit is a pulsed voltage, not sure about 2007 think they might have still been on the old system.

The correct choice is to run a new wire from the fusebox to the amp, there are plent of switched lives there that won't cause any issues with the cars systems.

It's the same when fitting aftermarket hands free kits, just not as far to run the wire :-)

You don't want to forget the switch and end up with a flat battery!

^^^^^^^^^ I second that. :)

  • Author

On the new cars the side light circuit is a pulsed voltage, 

Wow, That make a lot of sense.

Pulsed voltage eh? how come the lights don't stobe? Fancypants that..

I'm running an active sub from the lights and it's weak as hell. I guess it's caps are keeping it just alive long enough for the next pulse.

Wow, That make a lot of sense.

Pulsed voltage eh? how come the lights don't stobe? Fancypants that..

I'm running an active sub from the lights and it's weak as hell. I guess it's caps are keeping it just alive long enough for the next pulse.

Your probably right about the caps smoothing the pulse out.

They pulse faster than 50hz so the eye doesn't pick it up which is fine for LED's but the std bulb filament don't have time to cool down and go off.

Not sure if your 07 used a pulse voltage or a std solid voltage though.

Edited by xpower

  • Author

Your probably right about the caps smoothing the pulse out.

They pulse faster than 50hz so the eye doesn't pick it up which is fine for LED's but the std bulb filament don't have time to cool down and go off.

Not sure if your 07 used a pulse voltage or a std solid voltage though.

 

Hmm., -Do you think the new led lighting systems pulse ridiculously fast, or do they have a steady voltage feed?

Why pulse anyway? 

They pulse fast, that's why when you watch top gear and a 911 comes past it looks like the lights are flashing (cameras pick it up unlike our eyes)

It is to regulate the voltage supply for different functions

Example:

Side light brightness - pulsed at 30% on 70% off

Brake light brighteness switched 100% on

  • Author

It is to regulate the voltage supply for different functions

 

 

Ah.. Well you learn a new thing every day. I assume this is to allow smaller and lighter flywheels? 

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