Originally Posted by bad69marrow

Hi im redoing somebodys electrical nightmare on battery cables i was wanting to no which to use 1-gauge or 1/0 gauge battery cable or welding cable ????? Its going be in drag car with 2 batteries n trunk also is it best to run both the hot wire postive an negative cable both cables from the starter all the way to trunk ????? Or do i just run the hot wire ???? An run the negative ground wire couple feet an ground at engine an chassis an trunk ??????????? Any help be appreciated i need to no befor i buy battery cable or welding cable thanks everbody