AEM 20 Amp Relay Wiring KitBoth 30 and 20 amp relay fuel pump wiring kits and harnesses have auto reset style integrated circuit boards that help ensure any electrical shorts are remedied. Each kit includes a pre wired relay receptacle with 80" of red wire for activation (12 gauge for 20 Amp Relay Kit and 10 gauge for 30 Amp Relay Kit) and 80" of 10 gauge black wire for a high current ground circuit, an Amp relay, circuit breaker with mounting tab, crimp terminals and mounting