a basic ground system is as follows: 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. restore electric operation and guarantee years of power when you upgrade with any of the electrical wiring accessories provided by autozone. You can find a variety of connectors. apr 22, 2014 · i just used a long 4g wire ground wire i found at autozone and bolted it to the neg. Battery terminal and to the bottom starter mounting bolt. Fixed the issue 100%.
