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International Automotive Technicians Network
Re: 1997 Bonneville CKP waveforms
Posted to Snap-on Handheld Users Group on 10/3/2007

[...trimmed text...]

Insignificant endplay.

This is from not having a good ground on the scope lead.

[1989 Oldsmobile Ninety-Eight, CKP Sensor, CMP Sensor Waveform]

After connecting a good ground on scope lead.

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