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International Automotive Technicians Network
no speedo at IPC but reads mph on scanner
Posted to Technical Discussion Forum on 7/19/2012 4 Replies



What is the best test for this problem? It could be wiring, it could be speedo head or it could be ECM. What should I have for voltage at ecm connector W22 dark green wire with only the white connector removed and key on? Should it be battery voltage from t... Login to read more.

4 Replies Received (View Replies)

 

car Vehicle Data

1991 Oldsmobile Cutlass Calais 2.5L

Engine2.5 L
Trans3-speed Automatic (Electronic)

car Vehicle Data

1991 Oldsmobile Cutlass Calais 2.5L

Engine2.5 L
Trans3-speed Automatic (Electronic)