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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls - Description & Operation - (Hybrid)) >> Engine Control Components >> Ignition Switch Position Run/Start (ISP-RS)

Ignition Switch Position Run/Start (ISP-RS)

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The ISP-RS provides the PCM with a VBAT input signal from the ignition switch, indicating the key is in the START position.