Voltage @ cruise

RedFish said

Years ago a friend had a similar issue with his 68 chevy. Repeating electrical issues. Replacing alt', reg', or both. First thing I noticed was electric tape on battery ground cable at the block. A slight tug and the wire pulled right out of the terminal. New ground cable cured it.

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Lol,it's standard practice for me rthat WHENEVER I have odd electric problems I replace the ground cable right away. I had an 88 ?Caravan that stalled on right hand turns,did lots of funky electrical stuff. New ground cable and it all went away. Same again more recently with my GMC truck. Signals going haywire,rough idle etc etc.replaced the ground cable,all problems except the rough idle are gone. Rough idle is probably plugs.