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Starter noise interferes with the mag sensor

 
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Joined: 26 Sep 2008
Posts: 3
PostPosted: Fri Sep 26, 2008 9:22 pm    Post subject: Starter noise interferes with the mag sensor Reply with quote
Starter noise interferes with the mag sensor on the crankshaft. I can tell because I sometimes get a flash of a tach signal in Wintec4 the moment the starter is released. When I isolate the starter, disconnect chassis power and supply it with a jump box, the signal is fine and the engine starts.

Ran power and ground home runs between the battery and ECU. Checked every ground I could think of. Tried a ‘noise filter’ on the power lead. No luck. Any suggestions?


Working on a new TecGT install on a turbo 535i BMW M30, E34 chassis. Must of the original harness ha been retained.
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