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Home >> GMC >> 1998 >> Cab & Chassis C2500, 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Component Tests 6.5L Diesel >> Computerized Engine Controls >> Control Unit >> Notes

Control Unit: Notes

NOTE: To identify circuits referenced in the following ground and power tests, use wiring diagram in WIRING DIAGRAMS - 6.5L DIESEL article.