Cause of Frustrating No-Start Revealed by Voltage Drop Test GM 2.2L Ecotec Saturn Ion and More
The Original Mechanic
Published at : 11 Jan 2021
This video examines a frustrating 5 month long starting problem with a 2004 Saturn Ion with a 2.2L Ecotec engine. Sometimes it would go with a jump start, other times not. While troubleshooting, the crafty beast decided to start and the problem remained elusive. The battery and starter were confirmed good. Finally, testing the wiring and connections with a voltage drop test revealed the hidden culprit.
no startvoltage drop testintermittent