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Old 02-10-2013, 11:03 PM   #1
leonbmx
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2005 MPS Wagon HTA35
Domtuned Stage $$$$$

Default Pegasus 4430 Kill Switch ignition cut, which wire?

I am converting my 2005 STi to a dedicated track car, the other day I installed a pegassus racing 4430 kill switch , but when I flip the switch, nothing happens and the car just keeps running.

This is the diagram that I used:



For the ignition cut, I used the Main relay wire from the diagram here: 05 STi ECU Diagram - Plug B136, wire 7, main switch, under the assumption that if I cut that, the engine would die.

What am I doing wrong? Is there a different wire I should have interrupted instead?
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Old 02-11-2013, 12:09 AM   #2
WhatTurboLag?
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Cut main power to car with it, everything needs to have power cut when there's an emergency not just the engine
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Old 02-11-2013, 01:15 AM   #3
leonbmx
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Yes, but which wire is that? I need to somehow stop the alternator from keeping the car running.
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Old 02-11-2013, 07:26 AM   #4
WhatTurboLag?
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The wire right off the alt? Trace it to where it goes, im not too sure. The switch can take the direct load of that then just run it in the middle maybe.
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Old 02-11-2013, 03:57 PM   #5
leonbmx
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Quote:
Originally Posted by WhatTurboLag? View Post
The wire right off the alt? Trace it to where it goes, im not too sure. The switch can take the direct load of that then just run it in the middle maybe.
Ha, good thinking! I was thinking way too complex about this...
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Old 02-11-2013, 04:12 PM   #6
dunk
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It's easier just to cut the main ignition wire in the column that goes to the key. This will cut off the ECU. The battery cutoff will take care of the rest. I had this switch in my car for years.

Duncan
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