REMEMBER 6 GUAGE IS SMALLER THAN 4 GUAGE @ 6_GUAGE BLUE_INSOLATED CRIMP_ON_TERMINAL (BATTERY_CABLE) ENDS_5/16" HOLE (SOLD EACH) @ 6 GAUGE RED BATTERY CABLE (SOLD_BY_FOOT) @ 6_GAUGE_BLACK BATTERY_CABLE (SOLD_BY_FOOT) @ WIRING_DIAGRAM FOR_HOOKING_UP AN/THE ELECTRIC STARTER