Aaron75, was your GTO built in Fremont (Z in the VIN)? Sometime in Feb. or Mar. it looks like the Fremont plant changed the location of the strap on the firewall (may have been earlier at other plants), to under the voltage regulator. I've also included pictures of the mounting location on the head, the components used and, at some point, they added an extra ground to the wiring harness.
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