Overcharging

Also check the VR connector. Inspect the terminals with a lamp for corrosion, a nd work it in/ out several times to scrub the terminals, and "feel" for tightness. One way to improve the body grounding (on a V8) is to look at the front of the pass. side head. Those same holes in the end of the head are next to the firewall, unused, on the driver's side. But a short "eye to eye" starter cable, and bolt to the head, and to the firewall, such as the master cylinder mounting stud