LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1998 >> Yukon 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (Automatic Transmission Diagnosis - 4L80-E (Gasoline)) >> Diagnostic Tests >> Using Diagnostic Tests & Wiring Diagrams

Using Diagnostic Tests & Wiring Diagrams

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 1998 GMC Savana Special, 1998 GMC Savana Camper Special, 1998 GMC Savana, 1998 Chevrolet RV Cutaway, and 1998 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

VCM connector colors and terminal identification may vary with vehicle model and engine size. When using following diagnostic tests, see appropriate wiring diagram to determine which VCM connector(s) to disconnect during test procedure. Locate component being tested and trace specified wiring circuit to determine VCM connector and terminal related to that component.