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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Wiring up an led??? » Post Reply

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Adam-D	posted on 28th Nov 05 at 21:11
	£40 will buy a cheap noisy alarm
stubs	posted on 28th Nov 05 at 19:46
	You don't need to remove your sterring shroud.. you should find that there's an ignition live in the cigarette lighter socket - test that! ;)
Rob_Corsa	posted on 27th Nov 05 at 17:14
	quote: Originally posted by Richie Rob it does work, go try it for yourself. Most of the components the ignition lives go to switch back to a very very minor earth when they have no lives going to them. It does work. Will take your word for it mate, its too cold to go out and remove steering surround. :) Will remember for when im wiring something up in the future.
cunningham	posted on 27th Nov 05 at 13:46
	browns live
Jamescorsa97	posted on 27th Nov 05 at 13:24
	quote: Originally posted by Ally This one will be more appropriate, its the same one used for alarms. http://www.maplin.co.uk/module.aspx?ModuleNo=22905&doy=27m11 He has this l.e.d and wants to wire it from the hazard switch..... I know exactly how to do this but i just can't tell which wire is which on his car. Wires there are Grey, yellow, brown, blue Any idea?
Richie	posted on 27th Nov 05 at 13:13
	Rob it does work, go try it for yourself. Most of the components the ignition lives go to switch back to a very very minor earth when they have no lives going to them. It does work.
Rob_Corsa	posted on 27th Nov 05 at 12:44
	quote: Originally posted by stubs quote: Originally posted by Rob_Corsa looking at the wiring diagram there is no ground in the ignition switch of a corsa so im thinking your mate was talking about a diferent car? That is correct... the diagram will not show any direct earth connections to the ignition circuit, as this would obviously cause a short when +12v is applied (i.e. ignition turned on). The "earth" that the LED see's, is an in-direct earth, via the ignition circuit's components. ;) If that was true then you would deffo get a short when the ignition was turned on! Also if the switched ignition wires shows 0v with respect to ground it dosent mean its earthed, could be either earthed or open circuit. [Edited on 27-11-2005 by Rob_Corsa]
Ally	posted on 27th Nov 05 at 11:55
	This one will be more appropriate, its the same one used for alarms. http://www.maplin.co.uk/module.aspx?ModuleNo=22905&doy=27m11
tommy_d_17	posted on 27th Nov 05 at 11:50
	get 1 of these http://cgi.ebay.co.uk/1-5v-Single-Flashing-LED-Alarm-CCTV-Dummy-Light_W0QQitemZ5834136116QQcategoryZ48636QQcmdZViewItem
stubs	posted on 27th Nov 05 at 01:43
	quote: Originally posted by Rob_Corsa looking at the wiring diagram there is no ground in the ignition switch of a corsa so im thinking your mate was talking about a diferent car? That is correct... the diagram will not show any direct earth connections to the ignition circuit, as this would obviously cause a short when +12v is applied (i.e. ignition turned on). The "earth" that the LED see's, is an in-direct earth, via the ignition circuit's components. ;)
stubs	posted on 27th Nov 05 at 01:41
	The method mentioned by Rikki will work on your mates car. If you test the ignition wire, it will show -ve when the ignition is turned off. :thumbs:
Jamescorsa97	posted on 26th Nov 05 at 20:38
	yes man hes talking about a pug 206 sorry forgot to mention!
Rob_Corsa	posted on 26th Nov 05 at 20:04
	looking at the wiring diagram there is no ground in the ignition switch of a corsa so im thinking your mate was talking about a diferent car?
RKS	posted on 26th Nov 05 at 19:40
	If he gets a red flashing led just wire the live wire to a permanent live and the negative wire to an ignition live, I have been told that when the ignition is off it becomes an earth therefore the LED will only work whilst the ignition is turned off
Jamescorsa97	posted on 26th Nov 05 at 19:04
	A friend of mine wants to wire up a red l.e.d so it looks like he has an alarm! I told him to just get an alarm but he refuses! Does anyone know where it could be wired from and how to do it?