Where is ECM in 1994 V8

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Old 06-26-2012, 01:08 PM
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Join Date: Mar 2005
Posts: 10
Default Where is ECM in 1994 V8

Under the driver side dash there are two 55 pin connectors that connect into boxes that look like ECMs. The wiring diagram that I have doesn't show two 55 pin connectors so I am confused. Could someone tell me which box is the ECM. I'm trying to check to see if I am getting either an rpm sensor signal or a crankshaft position signal at the ECM. The engine cranks but I don't have spark and the fuel pump never runs.


Never mind. It's the one on the top. I still don't know what the bottom one is but now it's back to the oscope to see if I have signals from rpm and crank sensors.
 

Last edited by steveneashcraft; 06-26-2012 at 02:52 PM.
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