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Home >> Pontiac >> 1991 >> 6000 SE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - 2.5L/151 TBI In-Line 4 VIN [R] >> Computerized Engine Control System >> ECM/Pcm Wiring Diagram(S)
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ECM/Pcm Wiring Diagram(S)

NOTE: The 4th character of the VIN will identify the body code.
Fig 1: ECM/PCM Wiring Diagram 1/3 - A Body (2.5L VIN R)
G50J14141
Fig 2: ECM/PCM Wiring Diagram 2/3 - A Body (2.5L VIN R)
G50A14142
Fig 3: ECM/PCM Wiring Diagram 3/3 - A Body (2.5L VIN R)
G50B14143
Fig 4: ECM/PCM Wiring Diagram 1/3 - W Body (2.5L VIN R)
G50F14170
Fig 5: ECM/PCM Wiring Diagram 2/3 - W Body (2.5L VIN R)
G50G14171
Fig 6: ECM/PCM Wiring Diagram 3/3 - W Body (2.5L VIN R)
G50H14172