 | Home > In Car Electronics > Live feed when ignition is off? |
 
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| kmac Member Since: 07 Oct 2009 Location: Middlesex Posts: 1309   
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You can achieve this by taking a battery feed that is controlled by a relay from the cigarette lighter
The relay will need to be normally closed so power is supplied, when the ignition is on the relay will turn power off |
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25th Apr 2015 7:13am |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069 
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have a look at the alarm wiring diagrams, somewhere around the ultrasonics ?
easy enough to test with a multi-meter |
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25th Apr 2015 7:22am |
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| ian series 1 Member Since: 17 Nov 2014 Location: south Posts: 3127 
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Cheers guys,
thought it would be easier to ask about location rather than hunt around in the wrong area! I knew it would be around the alarm area somewhere  80" 80" 86" 88" 90"
Wanted, Forward Control Anything considered. |
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25th Apr 2015 7:39am |
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| Scotm Member Since: 28 Feb 2014 Location: Aberdeenshire Posts: 666  
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On my previous two defenders I fitted a flashing LED to come on when the ignition was off.
If I remember correctly one of the terminals on the ignition barrel went to earth when turned off. So connecting the LED between that and a permanent live worked for me. |
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27th Apr 2015 11:33am |
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| munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558 
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^^as above normal way of fitting them
permament live and switch live both off back of ign switch ign on 2 lives = no led flash ign off 1 live and swithched live turns to earth = led flashes |
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27th Apr 2015 11:49am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20464
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If this is a Puma, go into the drivers seat box and open the black fuse box nearest the rear of the Defender in the seat box.
You'll see some large fuses. Make sure you disconnect battery before working on it but if you see those fuses look right to the back and you'll see two terminals with screws on. These are negative and positive permanent live. Identify the polarity and connect what you want there of course fitting a suitable in-.line fuse on the live feed too. If it's just an LED a 1A would be fine or a 5A if it is a bit more draw. Okay, it's not in a location that's easiest to acess to where you want it but there is absolutely no loom cutting at all and it's completely reversible and hidden. You'd have to take the ignition on feed elsewhere though but it might be possible in that location too with some testing. Might be of use. |
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27th Apr 2015 12:30pm |
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| ian series 1 Member Since: 17 Nov 2014 Location: south Posts: 3127
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Thanks for answers.
I ended up coming off the instrument cluster loom, as it already has the red flashing light under the speedo. Plus it was close to the led I needed to fit. Cheers guys 80" 80" 86" 88" 90" Wanted, Forward Control Anything considered. |
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27th Apr 2015 12:35pm |
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| munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558
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there is no earth in the large fuse under the seat
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27th Apr 2015 12:35pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20464
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Sorry, just realised that they are all lives but you can take an earth off of a ring terminal from a bolt and nut in the near vicinity in the same seatbox.
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27th Apr 2015 12:46pm |
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| munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558
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27th Apr 2015 12:50pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20464
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Is there an ignition live there too in the same box? Never checked.
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27th Apr 2015 1:11pm |
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