Component Testing
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
You must perform the Circuit/System Testing before proceeding with Component Testing.
- Ignition OFF, connect the EL 26792 HEI Spark Tester to the appropriate T8 Ignition Coil.
- Engine Running.
- Verify the spark output of the T8 Ignition Coil.
- If no output or the output is weak
Replace the T8 Ignition Coil
- Go to next step: If the output is good
- If no output or the output is weak
- All OK.