C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
Steps 6-11
The numbers below refer to the step numbers on the diagnostic table.
2. This step is testing the battery positive voltage circuit of the ignition relay.
3. This step is testing the ignition 1 positive voltage circuit of the ignition relay.
4. This step is testing the coil ground circuit of the ignition relay.
5. This step isolates the circuits from the ignition relay. All of the circuits at the relay are good if the test lamp illuminates.