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Home >> Volvo >> 1993 >> 850 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Unit - Ignition >> Ground Circuit Check

Ground Circuit Check

Connect ohmmeter between ground and measuring unit terminal No. 20, then between ground and terminal No. 29. In both cases, ohmmeter should indicate about zero ohms. Connect ohmmeter between measuring unit terminals No. 20 and 2, then between terminals No. 20 and 15. In both cases, ohmmeter should indicate about zero ohms.

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