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Topic: Permanent live wire (Read 919 times) |
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mazzy_j
Full Member
Posts: 664
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Permanent live wire
« on: Apr 20th, 2006, 2:35pm » |
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Other than from the battery, is there a permanent 'live' connector or wire in the engine bay (preferably which is already fused and near the front headlights)?
The reason i ask is that i plan to fit some LED bulb sidelights which i want to come on permanently whenever the engine is switched on (like on volvos).
Thnaks, Matt
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craig
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matt...
the side lights/parking lights are permanent live..
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JohnJ
Full Member
98 2.3 Ultima
Posts: 732
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Re: Permanent live wire
« Reply #2 on: Apr 20th, 2006, 11:31pm » |
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on Apr 20th, 2006, 4:17pm, craig wrote:matt...
the side lights/parking lights are permanent live..
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How are they permanetly live, surely they are only live when you switch them on.
You might have to get into the fuce box for the Radio fuse. or ignition.
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Baz
Moderator
Senior Member
S Reg. 1998 24v Cosworth S2.9 COS (Deceased)
Posts: 4009
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Re: Permanent live wire
« Reply #3 on: Apr 21st, 2006, 12:23am » |
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The only way really is to run straight through from the battery but run it via a relay which is powered from the ignition. Easy enough to do. I run one for my DVD/TV system which runs via a power saver relay so the system doesn't shut down immediately the power is turned off if I go for petrol or something so that Connor doesn't get cut off while watching shark tale!!
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mazzy_j
Full Member
Posts: 664
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Re: Permanent live wire
« Reply #4 on: Apr 21st, 2006, 11:11am » |
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I had thought about adding a relay like what i did for my spot flood lights on the front but was trying for an easier already built in option 
Could i tap off an ignition controlled 12v from say the pressure limit switch on top of the aircon receiver/dryer, or from a sensor somewhere?? Also, what about the connector from the 'Whats this connector for' topic?
Thanks,
Matt
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Kjetil S
Senior Member
2001 BMW 520iat
Posts: 1419
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Re: Permanent live wire
« Reply #5 on: Apr 21st, 2006, 2:02pm » |
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Wouldn't it be enough to add the extra relay found on scandinavian cars? Or would one need additional wiring?
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http://uncyclopedia.org/wiki/Norway
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sector-9
Senior Member
No scorpio anymore
Posts: 1069
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Re: Permanent live wire
« Reply #6 on: Apr 21st, 2006, 10:25pm » |
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Tap off the cooling fan relay - this has an ignition feed to it and is behind the RH headlamp (on the diesel).
LEDs shouldn't take too much current but if you're worried then the thick orange/blue wire carries permanent live - you could leech a relay off that...
Darren
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Permanent live wire
« Reply #7 on: Apr 22nd, 2006, 11:17am » |
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You could come off the alternator as well but if it’s any where as difficult to access like the cosies then I’d run a mile  ,
i'd stick a small fuse in there where ever you decide to tap off from just be on the safe side
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FDS2000 Scans - Birmingham
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