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SM4 sensor ground (pin 22) to the Evo III sensor ground (pin 72) correct?

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  • SM4 sensor ground (pin 22) to the Evo III sensor ground (pin 72) correct?

    Hi,

    I'd like to know if patching SM4 sensor ground (pin 22) to the Evo III sensor ground analog 0V (pin 72) was correct and wouldn't somehow ground the SM4 sensor ground to chassis.

    Thanks.

  • #2
    That is the connection I would use. To be sure, check for continuity between pin 72 (when disconnected from an ECU) and chassis ground. There should be no continuity.

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