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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 552 (Instrument Cluster System) >> Diagnosis And Testing >> Instrument Cluster >> Pinpoint Tests >> Pinpoint Test V: The Low Coolant Level Indicator Is Never/Always On >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

The low coolant level switch is hardwired to the smart junction box (SJB) through circuit 794 (LB) and grounded through circuit 1205 (BK). The SJB monitors the coolant level and sends the coolant level data to the instrument cluster over the communication network.

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