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Wiring Diagrams

Fig 1: ECM Wiring Diagram (2.5L VIN R - Lumina)

Fig 2: ECM Wiring Diagram (3.1L VIN T - Cutlass Supreme, Grand Prix, Lumina & Regal)

Fig 3: ECM Wiring Diagram (3.4L VIN X - Cutlass Supreme, Grand Prix & Lumina)

Fig 4: ECM Wiring Diagram (3.8L VIN L - Regal)