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Home >> GMC >> 1995 >> Forward Control 7.4 N >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 4.3L. >> Computerized Engine Controls >> Input Devices >> Cranking Signal

Cranking Signal

Cranking signal is a 12-volt signal monitored by the control module. Signal is present when ignition switch is in the START position. The control module uses signal to determine the need for starting enrichment. Control module also cancels diagnostics until engine is running and 12-volt signal is no longer present.

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