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Which Ignition Control Module do I need....ACDelco D1943A or D1984A ?
I am trying to find out which ACDelco ICM is correct for my truck.....D1943A or D1984A. The info on Rockauto shows the D1943A is for "W/O HEI". I guess then D1984A means for HEI distributor. I also went to ACDelco's web site and entered my VIN, and it lists both ICMs for my truck, again with the...- Rain
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- Forum: Engine Performance + Maintenance
