Ground Wire Autozone
Webrestore electric operation and guarantee years of power when you upgrade with any of the electrical wiring accessories provided by autozone. Always use a heavy ground cable and connect one end to the negative battery terminal, and the other end to the starter motor or engine. The other explanation is that the ground wire gauge is way. Fixed the issue 100%. Battery terminal and to the bottom starter mounting bolt.
You can find a variety of connectors. Weba basic ground system is as follows: