I have used a surface mount 60 A circuit breaker to repair a few of those , your choise to use both terminals , adding breaker or not , it was just a quick easy repair. it mounts with tab on case , has 2 screw terminals. Regards, Tim Colson CNYCC http://search.aol.com/aol/image?q=12+Volt+60+Amp+echlin+Breaker&v_t=keyword_ rollover