My relay is in my trunk. I ran a 10awg wire directly from the battery but I put a 30 amp circuit breaker by the battery feeding the 10 gauge wire so if the small chance the wire gets a short it will trip the breaker.
I agree. Remember why we are using a relay. We want larger gauge wire for the power wire and small gauge wire for the low amp switch wire. You don't need a big switch with higher amp capacity. I see that you have a 69 FB. Your main power source comes directly from the battery large gauge power cable. Place relay on firewall near ignition connection. Run pwr wire from main power hub (feed from starter) to then relay to pump. Run smaller wire from ignition to relay. Fuse the lines
Last edited by Gus68; 02/21/1907:03 AM.
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