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Del Sol EH6
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173 Posts
Discussion Starter #1
I'm busy with a kill switch installation in a friends car. The only thing I want to find out is which wire of the alternator I have to switch down to switch of the engine. We already know it's not the blue one, but we don't want to cut also the other ones. Does anyone of you know which one we have to take? It's an OBD1 B18c6 engine.
 

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Del Sol EH6
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173 Posts
Discussion Starter #3
If you switch off the plus of the battery, the engine will stay running on the power off the alternator.
 

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Classic Man
Civic
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16,355 Posts
This is the most simple way to do it. The car will shut down when you flip the switch because the ECU loses power. Then the alt stops spinning and all voltage stops.





Heres a better picture from right here on DSO.

 

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Del Sol EH6
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173 Posts
Discussion Starter #7 (Edited)
I've taken ICM1 on the ECU to switch off now, works way better. When I'm home I will make some pictures of the schedule.
 

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Classic Man
Civic
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So what are you trying to do? I was assuming it was an NHRA style kill switch that needs to shut down fuel pumps and the entire vehicles circuit not just the ECM
 
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