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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1401 (Instrument Panel System Displays, Gauges And Console) >> Diagnostic Information and Procedures >> DTC B1372: Device Ignition 1 (ON and START) Circuit Low >> Circuit Description

Circuit Description

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When the ignition switch is in the UNLOCK position, certain class 2 messages do not transmit. The instrument cluster suspends the operation of the indicators and the gages that are dependent on these messages until the ignition switch is no longer in the UNLOCK position.

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