Finally got good ground wires to passenger side taillight and driver’s side headlight. I think I’m going to eventually mount a terminal junction block busbar on firewall and run some solid grounds from there.

1957 Chevy 3200
Daily Driver
PS, A/C, Tilt column, Rebuilt 350, Rebuilt TH350, Reupholstered Bench Seat, sound proof/insulated, LED headlights/taillights/backup lights/interior courtesy lights.
Follow in the DITY