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Home >> Pontiac >> 1991 >> LeMans Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Diagnostic Charts >> Chart C-8B, Shift Light Check >> Test Number 1)

Test Number 1)

This step should not activate shift light. If shift light is activated, there is a short to ground in circuit No. 456, or a fault in ECM.

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