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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1187 (Instrument Cluster) >> Diagnosis And Testing >> Instrument Cluster >> Pinpoint Test A: No Communication With The Instrument Cluster >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Under normal operation the instrument cluster communicates interactively with other electronic modules using the communication network. For additional information about the communications network, refer to MODULE COMMUNICATIONS NETWORK . With the ignition switch in the START/RUN position, the instrument cluster receives power from circuit 489 (PK/BK). When in the RUN/ACC position, power is received from circuit 295 (LB/PK). With the ignition switch is in the OFF position, the instrument cluster receives its keep-alive power from circuit 3049 (BK/LG). The instrument cluster grounding is accomplished through circuit 1203 (BK/LB) and the bulb grounding is accomplished through circuit 1205 (BK).

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