The safe way to add electrical accessories to any vehicle is with a CirKit Boss. The first circuit isolator system available with both constant and ignition-hot circuit kits. Protects your OEM and is easy to install. Provides seven ignition hot circuits with a maximum total amperage handling of 80 Amps. This kit includes: Two 40-amp SPST relays, Two 40-amp circuit breakers, Relay bases/fuse blocks with harness, Crimp-on terminals and mounting hardware.