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1st of this is not in a buick so the msd numbers wont be the same as used here. dif gen7 with the latest upgrades to the ecm. code 66 Ignition output driver over current Driver current exceeds 2.5 Amps MIL set, shut ignition off in an attempt to resolve this tried: 2 msd...

This an accel dfi gen7 ecm part no 77046 that was recently flash upgraded by accel to version 5.1. This the ecm only. can be used with any chevrolet or buick motor. software for you laptop can be downloaded from the accel tech support site. Edward Hess Auto Dogz Inc 158 White...