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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1690 (Information Center - Instrumentation, Message Center And Warning Chimes) >> Diagnostic Tests >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test A: The Instrument Cluster (IC) Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

With the ignition switch in the RUN position, the instrument cluster (IC) receives voltage from the central junction box (CJB) through circuit 1003 (GY/YE). With the ignition switch in the START or RUN position, the instrument cluster (IC) receives voltage from the CJB through circuit 640 (RD/YE). With the ignition switch in the OFF position, the instrument cluster (IC) receives its keep-alive memory (KAM) battery voltage from the CJB through circuit 1566 (RD/YE). The instrument cluster (IC) grounding is through circuits 57 (BK) and 676 (PK/OG).

This pinpoint test is intended to diagnose the following:

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