Home > Maintenance & Modifications > Battery kill switch question |
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agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324 |
It will render your security system switched off if you put it far enough upstream Solved the bowel problem, working on the consonants... |
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12th Mar 2017 4:26am |
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zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 |
Yes, however you can put a small wire between the two terminals with a small fuse, lets say 5 or 10 amp. It'll still supply power to the alarm and radio, but the fuse will blow if someone tries to crank the engine. It depends exactly why you want the isolator though. For security or to prevent battery drain? |
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12th Mar 2017 7:24am |
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HK07 Member Since: 15 Dec 2016 Location: Hampshire Posts: 746 |
I've been thinking along these lines. However I am thinking of an electronic battery isolator triggered from a hidden switch/key switch/both, their where abouts known only to me. Obviously it's not fool proof, but another layer of security.
I have also been thinking of putting it on the starter motor feed to allow the consumerbles within the vehicle to continue to receive the power they require. What do we think guys??? |
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12th Mar 2017 12:09pm |
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X4SKP Member Since: 29 Nov 2013 Location: Berkshire Posts: 2295 |
Hello Lancerdoc999
Q1. Exactly what Defender do you have... The question to ask is what is it you are trying to Isolate (prevent from happening) If this is Security 'driven' One approach is to isolate the main power supply from the Battery to the Starter Motor, in order to maintain power to the Alarm, Central Locking, (if fitted) Ignition, ECU etc I used a similar switch... http://www.vehicle-wiring-products.eu/prod...tor-switch You could then also Isolate (separately) the 12V power feed from the Starter Relay to the Starter Motor, this is the 'trigger feed' to the Starter Motor's S terminal, Your Starter Motor would then have two Isolation 'features' installed. SKIP https://www.defender2.net/forum/topic83242.html |
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12th Mar 2017 1:24pm |
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Lancerdoc999 Member Since: 10 Apr 2016 Location: South Wales Posts: 205 |
I have a 110 Td5 2000 my. It is purely security driven as need to increase protection on it. I guess main aim is to render it non-startable in event of someone breaking in and trying to drive off. I have no idea how they do this so unsure what best to fit.
Looking to fit newer locks in driver and rear and blank the passenger. Central locking planned but haven't got my head around whether need separate alarm, key fob or can link in. Would be nice to link in with existing. Trackers are relatively in-expensive and add another layer especially if you can link it real-time to your phone so you know it moves/leaves a specific area/security zone. Some sort of pedal lock. Wheel locking hubs and was just reading about special screws for door and frame hinges. All I know is that every morning when I open the curtains I expect it to not be standing there (or at least wouldn't be totally shocked given the increase in thefts (although I do live in a very low crime area)) |
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12th Mar 2017 9:32pm |
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Lancerdoc999 Member Since: 10 Apr 2016 Location: South Wales Posts: 205 |
yes, don't want to do this! That answers at least part of my question. |
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12th Mar 2017 9:35pm |
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roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039 |
On a td5 you can make a very simpel system that the startermotor will run but the engine will not start. I hope that on that moment they run away instead of driving it. Roel
1984 90 2.5 na Diesel - RR V8 (1994-2001) 1997 Camel Trophy Discovery 300TDI (2001-2009) 2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts. 2003 90 Td5 (2009-now) |
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12th Mar 2017 9:37pm |
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Lancerdoc999 Member Since: 10 Apr 2016 Location: South Wales Posts: 205 |
do you mean having two separate locking kill switches or a second dummy/hidden switch somewhere tucked away? |
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12th Mar 2017 9:38pm |
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X4SKP Member Since: 29 Nov 2013 Location: Berkshire Posts: 2295 |
Hello Lanceroc999
Main Isolation Switch Use the Main Locking Isolation Switch to isolate the Main Power Feed to the Starter Motor, this carries the High Amps. If you do this and need to install extension Battery Terminal Cables to reach the location of your Isolation Switch, make sure they are match rated to handle the Amps being carried. Isolation Switch I ran the extension cables into a small protective housing with the Switch mounted in such a way as the rear terminals passed through into the housing. Second Isolation Switch My suggestion is to install a second switch, a 'conventional' simple switch, between the Starter Relay and the S terminal on the Starter Motor. This is one wire that triggers the Starter Motor, 12V but low Amps. You could use a second lockable switch, but it doesn't need to be as high a rating. Locate this switch in a place known to you only, the same as the Main 'heavy duty' Switch. Read up on the 'layered security' information on D2N, and you will have a good idea of what can be done. Good Luck SKIP https://www.defender2.net/forum/topic83242.html |
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13th Mar 2017 12:00pm |
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