Join Date: Sep 1999
Location: Austin, Texas
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How to: GM Duraspark ignitions in parallel for TBI
EDIT: I edited the title on this post so that it would better reflect the end content.
For those of you with the Howell TBI and MSD. I need part from your wiring harness. This is a small circuit board that is located near the ECM in the harness. This part would be replaced by the Howell tach filter for an MSD. If for some reason you happen to have the original board after installing an MSD I really need that part.