Operation CHARM
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Pontiac
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1988
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Lemans FWD L4-98 1.6L
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Repair and Diagnosis
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Transmission and Drivetrain
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Transmission Control Systems
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Lamps and Indicators - Transmission and Drivetrain
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Lamps and Indicators - A/T
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Shift Indicator - A/T
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
Initial Inspection and Diagnostic Overview
The
shift light
displays YES when the ECM is commanding the shift lamp to light.