deanspoors
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| posted on 18/12/14 at 07:46 PM |
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FIA Kill Switch
First of all, sorry as I know the Kill Switch topic has been done to death, but I'm struggling on where I should connect the second set of N/O
contacts for the ignition cut on a Westfield Megabusa. Has anyone else with a Hayabusa engine fitted one of these switches? And if so could you give
me a heads up on where I should tap into the loom.
Thanks in advance,
Dean
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theprisioner
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| posted on 18/12/14 at 08:07 PM |
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The aux contacts a) Break the ignition cct and b) provide a load to the alternator so it does not go o/c while spooling down the engine. Alternators
that have no load produce high voltages that can destroy them. So the second set should switch in a resistor to the alternator side of the isolator to
ground.
http://sylvabuild.blogspot.com/
http://austin7special.blogspot.co.uk/
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deanspoors
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| posted on 18/12/14 at 08:21 PM |
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Hi, sorry if I wasn't clear, but I know how to wire the main battery cut n/c contact and the n/o contact that shorts the generator down to
ground through a high wattage. Resistor. The only thing I am unsure of is where best to cut the ignition as obviously the wiring at the ignition
barrel is high current.
Dean
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mark chandler
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| posted on 18/12/14 at 08:28 PM |
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You used to cut the ignition coil in the old days, cut the ECU feed which is low current, 250mA usually.
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motorcycle_mayhem
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| posted on 19/12/14 at 09:31 AM |
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When I wired mine in, I put the contacts through the coil feed. It's the grey wire that comes down the head loom.
My reasons were based upon simplicity, the proximity of the grey to where I had the switch and the way that bike engines behave. The wire was also
utilised for the shift cut, minimising runs.
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