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what's this ? pic inside

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Old Jul 1, 2011 | 02:58 PM
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Default what's this ? pic inside

What is it and why it has one wire only ?


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Old Jul 1, 2011 | 03:06 PM
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Knock sensor
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Old Jul 1, 2011 | 03:52 PM
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Originally Posted by Jhenke
Knock sensor
what he said. their is another one on the other side.
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Old Jul 1, 2011 | 03:59 PM
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Yep. It retards timing if it detects detonation.
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Old Jul 1, 2011 | 09:30 PM
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Originally Posted by Jhenke
Knock sensor
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Old Jul 1, 2011 | 11:15 PM
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thanks guys , I thought it's something else cuz it has only one wire.
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Old Jul 2, 2011 | 12:06 AM
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Originally Posted by Mohammed_z
thanks guys , I thought it's something else cuz it has only one wire.
That's all it needs. When detonation is detected the switch just grounds that port on the ECM.
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