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1989 Oldsmobile Trofeo, IC Circuit Waveform
Posted to the Waveform Library on 8/19/1999

The two scope images on the left are of the primary coil current (TOP) and Voltage (Bottom) traces of the defective coil. The images on the right are from the new coil.

The oscillations that occur in the very beginning of primary current flow I believe are d...

 

car Vehicle Data

1989 Oldsmobile Trofeo 3.8L

Engine3.8 L / 6 cyl
SubsystemIgnition
Component
ConditionKnown Good