10-16-2019, 03:44 PM
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Member
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Join Date: Sep 2015
Location: South Island, New Zealand
Posts: 5,037
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Pretty sure there's no "digital" signal involved in activating the starting motor via the solenoid. I think what you are seeing on the 'scope is just "noise".
Start here maybe...?
https://www.newtis.info/tisv2/a/en/e...ontrol/arwFCfu
https://www.newtis.info/tisv2/a/en/e...ontrol/ohBOFFa
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Wayne
2005 BMW X5 3.0d (b 02/05)
2001 BMW F650GS Dakar (b 06/01)
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